Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4745893 | Digital oil level sensor | Kim W. Atherton, A. Brinkley Barr, Michael M. Van Schoiack, Marvin E. Vandehey, Richard D. Weyerts +2 more | 1988-05-24 |
| 4610457 | Vehicle swivel hitch | — | 1986-09-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4745893 | Digital oil level sensor | Kim W. Atherton, A. Brinkley Barr, Michael M. Van Schoiack, Marvin E. Vandehey, Richard D. Weyerts +2 more | 1988-05-24 |
| 4610457 | Vehicle swivel hitch | — | 1986-09-09 |