Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4656624 | Operator communication arrangements for operator assistance systems | Michael Hirsh Cooper, Douglas C. Dowden, Raymond J. Gill, Meyer J. Zola | 1987-04-07 |
| 4425647 | IR Remote control system | Melvin C. Hendrickson | 1984-01-10 |
| 4377006 | IR Remote control system | Melvin C. Hendrickson | 1983-03-15 |