Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11198050 | Speed tracker | William Beaver | 2021-12-14 |
| 10695639 | Speed tracker | — | 2020-06-30 |
| 6419247 | Auxiliary axle assembly | — | 2002-07-16 |
| 4497559 | Disc film developer | Wiltjie Maris | 1985-02-05 |