Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4621425 | Retractable knife handle | — | 1986-11-11 |
| 4429462 | Variable stiffness rule blade, rule employing same, and method of making same | Edward C. Rutty | 1984-02-07 |
| 4411072 | Variable stiffness rule blade, rule employing same, and method of making same | Edward C. Rutty | 1983-10-25 |