Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4628200 | Pulse wheel system with shaft mounting | — | 1986-12-09 |
| 4582174 | Elevator system | Igor Kvartin | 1986-04-15 |
| 4547732 | Digital tachometer | Alan L. Husson | 1985-10-15 |
| 4503939 | Elevator system | Fitzroy L. Lawrence | 1985-03-12 |