Postal files at the Smithsonian National Postal Museum Library
Search Results
You searched for: "Patents - Models"
| 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 |
National Postal Museum
| Smithsonian Libraries
| Contact Us
| Privacy
| Copyright
| Smithsonian Home
