Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4787628 | Weight adjustable auxiliary base unit for a weight lifting device | Margaret M. Harwick | 1988-11-29 |
| 4712793 | Weight maximizer | George Spector | 1987-12-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4787628 | Weight adjustable auxiliary base unit for a weight lifting device | Margaret M. Harwick | 1988-11-29 |
| 4712793 | Weight maximizer | George Spector | 1987-12-15 |