Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4594943 | Ink stamp | Daniel D. Nettesheim, John H. Carpentier | 1986-06-17 |
| 4492162 | Type band ink stamp | Fred W. Kufrin | 1985-01-08 |
| 4360267 | Method and apparatus for producing printing patterns | Robert R. Guyer | 1982-11-23 |
| 4311381 | Method and apparatus for producing printing patterns | Robert R. Guyer | 1982-01-19 |