Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4340784 | Portable telephone answering device | Wayne F. McQueen, William A. Hurd, Joerg Fischer, Billy Dunn | 1982-07-20 |
| 4319133 | Photoelectric detection system | James R. Currie | 1982-03-09 |