Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4768415 | Tremolo bridge for guitars | Charles A. Gressett, Jr., John F. Page, Daniel J. Smith | 1988-09-06 |
| 4677891 | Tremolo bridge for guitars | Charles A. Gressett, Jr., John F. Page, Daniel J. Smith | 1987-07-07 |
| 4560008 | Root crop harvester | — | 1985-12-24 |
| 4241936 | Trailer couplings | Michael J. Austin | 1980-12-30 |