Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D264220 | Copying and sorting apparatus | John C. Hamma | 1982-05-04 |
| D264092 | Continuous form feeding and copying apparatus | John C. Hamma | 1982-04-27 |
| D263850 | Continuous form feeding and copying apparatus | John C. Hamma | 1982-04-13 |
| D263848 | Copying and sorting apparatus | John C. Hamma | 1982-04-13 |
| 4186837 | Automated film cartridge and mailer sorting and correlating apparatus | Stanley Popiel, Jay L. Carley, John C. Hamma | 1980-02-05 |