Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5017833 | Pilot light assembly | Geoffrey Clarke | 1991-05-21 |
| 4924122 | Low leakage, A.C. proximity-switch circuit | — | 1990-05-08 |
| 4920281 | Proximity switch circuit | — | 1990-04-24 |
| 4809829 | Vehicular shock absorber and piston comfort valving | Paul A. Hummel, James A. Skimerhorn | 1989-03-07 |
| 4456834 | Proximity switch | — | 1984-06-26 |