Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D272152 | Radio control unit | Walter K. Gierschick, William M. Jenkins | 1984-01-10 |
| D271873 | Radio control unit | Walter K. Gierschick | 1983-12-20 |
| 4217792 | Steering column for vehicles | — | 1980-08-19 |