Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4350453 | Cartridge for correction media or tacky tape with a wrap spring | Thomas R. Field, James F. King, John O. Schaefer | 1982-09-21 |
| 4347008 | Anti-reversal backcheck for printer ribbon cartridge takeup spool | Thomas R. Field, Carl D. Patrick | 1982-08-31 |