Issued Patents All Time
Showing 126–130 of 130 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D290232 | Container for food or the like | Michael E. Holzkopf | 1987-06-09 |
| 4463519 | Reversible direction drive mechanism for toy vehicles | — | 1984-08-07 |
| 4409489 | Road traffic actuated generator | — | 1983-10-11 |
| 4377282 | Wrist activator | — | 1983-03-22 |
| 4248420 | Dynamic self-resisting exercise chair | — | 1981-02-03 |