Postal files at the Smithsonian National Postal Museum Library

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You searched for: "Patents"

  
Folder title: Affixing Machine
Date: 04/18/1858
Description:Three different patents for envelope sealing and stamping machines.
Collection:Third Assistant Postmaster General Files
Includes:Drawings
Folder number:05-06-35
Subject(s): Postal Stationery
Original source:Patent Office
Folder title: British Letters of Patent
Date: 01/29/1925
Description:Improved machine for stamping and canceling mail. British Patent.
Collection:Third Assistant Postmaster General Files
Includes:Drawings
Folder number:05-07-17
Subject(s): Cancelling Machines
Original source:British Patent Office
Folder title: Envelope Machines
Date: 01/23/1849
Description:Patent descriptions and drawings for envelope machines.
Collection:Third Assistant Postmaster General Files
Includes:Drawings
Folder number:05-06-38
Subject(s): Postal Stationery
Original source:Patent Office
Folder title: Envelope Machines, U.S. Envelope Co.
Date: 10/09/1965
Description:The donation of fourteen patent models of early envelope manufacturing machines donated by U.S. Envelope Co. to the Smithsonian.
Collection:Third Assistant Postmaster General Files
Includes:Articles ; Correspondence
Folder number:03-02-34
Subject(s): Patents - Models ; Envelopes (Stationery) ; Smithsonian Institution
Folder title: Equipment and Supplies
Date: 08/27/1872
Description:Instructions and suggestions regarding operation of equipment and supplies. Patent Office folder about the invention and patent of balloon-locomotive in 1872.
Collection:Third Assistant Postmaster General Files
Includes:Memorandums ; Brochures
Folder number:03-04-14
Subject(s): Postal Service - Equipment and Supplies ; Patents ; Balloon Post
Folder title: Index of Postal Patents
Date: 01/01/1851 - 01/01/1913
Description:Patent number, name of person, and kind of item that was developed to improve postal service.
Collection:Third Assistant Postmaster General Files
Includes:Lists
Folder number:05-06-33
Subject(s): Postage Stamps ; Cancelling Machines ; Postage Stamp Printing
Original source:Postal Patents of the U.S.A.
Folder title: Mail Handling Equipment Patents
Date: 01/01/1967
Description:A list of patents pertaining to mail equipment: sorters, parcel and letters; sorter parts; sorter card.
Collection:Third Assistant Postmaster General Files
Includes:Lists
Folder number:01-02-28
Subject(s): Postal Service - Equipment and Supplies
Folder title: Self-Registering Canceling Stamp - U.S. Pat. #421,624 Official Gazette of the U.S. Patent Office
Date: 02/28/1890
Description:Listing of patents, description, drawing and owner of patent.
Collection:Third Assistant Postmaster General Files
Includes:Books
Folder number:05-06-02
Subject(s): Cancelling Machines
Original source:Patent Office
Folder title: US Envelope Company
Date: 08/03/1965
Description:Patent models of envelope machines given to the Museum of History and Technology of the U.S. National Museum by the U.S. Envelope Co.
Collection:Third Assistant Postmaster General Files
Includes:Correspondence
Folder number:05-06-39
Subject(s): Patents ; Smithsonian Institution
Folder title: US Patent Office - In Re Machines of Various Types for Postal Use
Date: 10/11/1927
Description:Stamp issuing machine, parcel post machine, weight control machine, cash register, etc.
Collection:Third Assistant Postmaster General Files
Includes:Drawings
Folder number:05-06-45
Subject(s): Postal Service
Folder title: US Patent Office - In Re Machines Used for Postal Servicel
Date: 09/19/1865
Description:Envelope sealing, cash register, postage meter and hand stamp machines.
Collection:Third Assistant Postmaster General Files
Includes:Drawings
Folder number:05-06-46
Subject(s): Postal Service - Metered Mail ; Cancelling Machines ; Mail Service
Original source:Patent Office
Folder title: US Patent Office - In Re Post Cards
Date: 09/16/1893
Description:Improvement in Postal Cards and screens for Postal Cards. Money Order Post Card
Collection:Third Assistant Postmaster General Files
Includes:Drawings
Folder number:05-07-16
Subject(s): Postcards ; Postal stationery
Original source:Patent Office
Folder title: US Patent Office - In Re Postage Meter
Date: 04/03/1866
Description:Patents for Postage Meters, machine for sealing letters, printing press, postal machine, envelope moisteners, resettable register and clutch control.
Collection:Third Assistant Postmaster General Files
Includes:Drawings
Folder number:05-06-41
Subject(s): Postal Service - Metered Mail
Original source:Patent Office
Folder title: US Patent Office - In Re Postage Stamps
Date: 02/01/1864
Description:Improvements in Postage and Revenue stamps
Collection:Third Assistant Postmaster General Files
Includes:Drawings
Folder number:05-06-40
Subject(s): Postage Stamps ; Revenue Stamps
Original source:Patent Office
Folder title: US Patent Office - In Re Postal Machines
Date: 02/10/1857
Description:Letter stamping apparatus, hand stamp, and canceling machines.
Collection:Third Assistant Postmaster General Files
Includes:Drawings
Folder number:05-06-47
Subject(s): Cancelling Machines
Original source:Patent Office
Folder title: US Patent Office - In Re Printing Macines for Postal Use
Date: 04/10/1945
Description:Printing machine, envelope feeder and mail treating machines.
Collection:Third Assistant Postmaster General Files
Includes:Drawings
Folder number:05-06-44
Subject(s): Postal Service
Original source:Patent Office
Folder title: US Patent Office - Mail Stamping & Cancelling
Date: 03/22/1864
Description:Drawings and details describing canceling machines.
Collection:Third Assistant Postmaster General Files
Includes:Drawings
Folder number:05-06-48
Subject(s): Cancelling Machines
Original source:Patent Office
Folder title: US Patent Office - On Envelopes
Date: 12/18/1860
Description:Patent descriptions and drawings for several different envelopes.
Collection:Third Assistant Postmaster General Files
Includes:Drawings
Folder number:05-06-37
Subject(s): Patents
Original source:Patent Office
Folder title: US Patent Office - On Postage and Revenue Stamps
Date: 04/15/1890
Description:Improvements in postage and revenue stamps.
Collection:Third Assistant Postmaster General Files
Includes:Drawings
Folder number:05-07-49
Subject(s): Postage Stamps ; Revenue Stamps
Original source:Patent Office
Folder title: US Patent Office - Postage Meter Machines
Date: 03/15/1927
Description:Patents for postage meter machines.
Collection:Third Assistant Postmaster General Files
Includes:Drawings
Folder number:05-06-42
Subject(s): Postal Service - Metered Mail
Original source:Patent Office
Folder title: US Patent Office - Various Mail Treating Machines
Date: 06/03/1947
Description:Tape moistening device, registering mechanism, postage meter loading mechanism, and speed control mechanism.
Collection:Third Assistant Postmaster General Files
Includes:Drawings
Folder number:05-06-43
Subject(s): Postal Service
Original source:Patent Office
Folder title: US Patent Office Copies of Postal Inventions
Date: 01/01/1861
Description:List and patent information on Postal inventions. Patent for Improvement in postage-stamps.
Collection:Third Assistant Postmaster General Files
Includes:Lists ; Designs
Folder number:05-06-34
Subject(s): Postage Stamp Printing
Original source:Patent Office
Folder title: Vending Machine Patent
Date: 04/29/1890
Description:Coin controlled postage stamp machine.
Collection:Third Assistant Postmaster General Files
Includes:Drawings
Folder number:06-04-23
Subject(s): Postage Stamps
Original source:Patent Office
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