Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5766081 | Modified ear design to avoid lock up of universal joint | — | 1998-06-16 |
| 4969231 | Hand tool handle having end cap with indicia | William G. Mader, James A. Van Lenten | 1990-11-13 |
| 4800786 | Elastomeric sleeve for wrench socket and method of manufacture thereof | Robert L. Arnold, William G. Mader | 1989-01-31 |