Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4332055 | Hinge with a spring arm catch | Jack Rudnick, Edward B. Okonski | 1982-06-01 |
| 4303253 | Roller skate construction having pivotal heel | — | 1981-12-01 |
| 4189822 | Method of fastening and unfastening snap fasteners | Irving W. Perline, Leonard Trapido, Michael L. Rottenkolber | 1980-02-26 |