Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4347008 | Anti-reversal backcheck for printer ribbon cartridge takeup spool | Peter F. Jagodzinski, Thomas R. Field | 1982-08-31 |
CP
Carl D. Patrick
Overall (All Time): #4,074,993 of 4,157,543Top 100%
1
Patents All Time