Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5007750 | Replaceable inking cartridge with depletion counter | — | 1991-04-16 |
| 4693151 | Cutting method and apparatus for stacker | Richard A. Miller | 1987-09-15 |
| 4636097 | Replaceable inking cartridge with depletion counter | — | 1987-01-13 |