Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5396222 | Ergonomic machine actuator | Joseph E. Kus, Richard Markus, Ralph Stearns, Aquin Valentino, David P. Cullen +1 more | 1995-03-07 |
| 5327623 | Semi-automated button closing machine | — | 1994-07-12 |
| 5301402 | Automated button closing machine | Mark Hamilton, Timothy P. White | 1994-04-12 |
| 5267511 | Device for pressing buttons by resisting upward movement | Mark Hamilton | 1993-12-07 |