Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4203589 | Jam detector | — | 1980-05-20 |
| 4189133 | Document stacking table lowering method, apparatus and controlling circuitry therefor | Donald Bruns, David G. Killam | 1980-02-19 |