Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4577097 | Three-mode analog controller with remote tuning | Marion A. Keyes, IV, Peter K. Lui | 1986-03-18 |
| 4250558 | Hybrid analog function generator | Marion A. Keyes, IV, William L. Thompson | 1981-02-10 |