Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D307965 | Dual capstan electric puller | Jeffrey J. Plummer, George P. Gill | 1990-05-15 |
| 4823057 | Variable speed motor control | — | 1989-04-18 |
| 4719577 | Bending machine with digital electronic control of bend angle | — | 1988-01-12 |