Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4236678 | Endless ribbon cartridge | Donal J. McQuade, Herbert G. Leonard | 1980-12-02 |
GS
Gerald C. Sienkiewicz
Overall (All Time): #4,124,815 of 4,157,543Top 100%
1
Patents All Time