Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4638837 | Electro/pneumatic proportional valve | William C. Eddy | 1987-01-27 |
| 4629024 | Electrical power assisted steering system | Ambrose Tomala | 1986-12-16 |
| 4530413 | Electrical power assisted steering mechanism | Ambrose Tomala | 1985-07-23 |
| 4291583 | Drag flow meter | — | 1981-09-29 |