Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5184820 | Hockey puck | Robert W. Norris | 1993-02-09 |
| 5149096 | Hockey puck | Robert W. Norris, Ronald K. Jakubas | 1992-09-22 |
| 4828249 | Pocket sized exercising appliance | — | 1989-05-09 |
| D291341 | Hand exerciser | Joseph D. Keating | 1987-08-11 |