Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5989357 | Remotely-controllable self-cleaning roof gutter system and method | Allison L. Vilhauer | 1999-11-23 |
| 4906051 | Easily activated and deactivated traction device for vehicles | — | 1990-03-06 |
| 4735274 | Automatic parallel parking system | Warren T. Good | 1988-04-05 |
| 4687194 | Automatically-adjustable uneven parallel bars for gymnastics | Warren T. Good | 1987-08-18 |