Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850774 | Self-locking adjustable screw | Gene R. Weaver | 1989-07-25 |
| 4819894 | Retracting device | — | 1989-04-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850774 | Self-locking adjustable screw | Gene R. Weaver | 1989-07-25 |
| 4819894 | Retracting device | — | 1989-04-11 |