Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836059 | Elastomeric sleeve for conventional wrench sockets | — | 1989-06-06 |
| 4825732 | Elastomeric sleeve for conventional wrench sockets | — | 1989-05-02 |
| 4800786 | Elastomeric sleeve for wrench socket and method of manufacture thereof | William G. Mader, Philip A. Desmarais | 1989-01-31 |