Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4922387 | Horizontal zero adjustment for automotive headlamp | Francis E. Ryder | 1990-05-01 |
| 4893219 | Headlamp adjusting mechanism | — | 1990-01-09 |
| 4838512 | Jack hold down device | James T. McGuire | 1989-06-13 |
| 4809139 | Headlamp mounting assembly | Francis E. Ryder | 1989-02-28 |
| 4802067 | Headlight aiming and leveling device | Francis E. Ryder, Harold L. Purdy | 1989-01-31 |
| 4770632 | Delivery system for dental treatment solution | Francis E. Ryder | 1988-09-13 |
| 4757429 | Adjustment bracket assembly | Francis E. Ryder | 1988-07-12 |
| 4757428 | Headlamp mounting assembly | Francis E. Ryder | 1988-07-12 |
| 4751617 | Photo-optic collector | Francis E. Ryder | 1988-06-14 |
| 4735203 | Retractable lancet | Francis E. Ryder, Harold L. Purdy | 1988-04-05 |
| 4713739 | Clam shell gear box housing and retainer | Francis E. Ryder | 1987-12-15 |
| 4674018 | Headlamp adjusting mechanism | Francis E. Ryder | 1987-06-16 |