Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4690065 | Automobile conveyor | James A. Belanger, Robert J. Wentworth | 1987-09-01 |
| 4662284 | Automobile conveyor | James A. Belanger, Robert J. Wentworth | 1987-05-05 |
| 4576098 | Automobile conveyor | James A. Belanger, Robert J. Wentworth | 1986-03-18 |
| 4432406 | Power operated bi-fold strip curtain door assembly | James A. Belanger, Robert J. Wentworth, Douglas J. Calvin | 1984-02-21 |
| 4427049 | Power operated bi-fold strip curtain door assembly | James A. Belanger, Robert J. Wentworth, Douglas J. Calvin | 1984-01-24 |