Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5217422 | Compact exercise apparatus and method | — | 1993-06-08 |
| D298346 | Exercise frames or similar article | David Ringel | 1988-11-01 |
| D291338 | Exercise frame | David Ringel | 1987-08-11 |
| D290281 | Frame for exercise or similar article | David Ringel | 1987-06-09 |