Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5122311 | Method of manufacture | Robert Sims | 1992-06-16 |
| 4228837 | Locking washers | — | 1980-10-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5122311 | Method of manufacture | Robert Sims | 1992-06-16 |
| 4228837 | Locking washers | — | 1980-10-21 |