Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4300710 | Continuous form feeder | R. Clark Du Bois | 1981-11-17 |
| 4186837 | Automated film cartridge and mailer sorting and correlating apparatus | Stanley Popiel, R. Clark DuBois, Jay L. Carley | 1980-02-05 |