Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D300296 | Ratchet wrench | Jacob C. Krapowicz | 1989-03-21 |
| 4800786 | Elastomeric sleeve for wrench socket and method of manufacture thereof | Robert L. Arnold, Philip A. Desmarais | 1989-01-31 |
| D299206 | Combination wrench | Jacob C. Krapowicz | 1989-01-03 |