Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5675191 | Transmission brake disengagement apparatus for improving the starting consistency of a drag race car | William H. Hamilton | 1997-10-07 | |
| 4840157 | Engine speed control circuit for drag racing | — | 1989-06-20 | |
| 4812671 | Transmission brake disengagement circuit for a racing automobile | — | 1989-03-14 | |
| 4570348 | Measuring apparatus | Jerry D. Amsler | 1986-02-18 | |
| 4519585 | Drawworks brake control | — | 1985-05-28 | $8,131,000 |