Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5452774 | Endless roller chain drive with interlocking traction rail | Henry J. McGinnis | 1995-09-26 |
| 5076570 | Hydraulic hand exerciser | — | 1991-12-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5452774 | Endless roller chain drive with interlocking traction rail | Henry J. McGinnis | 1995-09-26 |
| 5076570 | Hydraulic hand exerciser | — | 1991-12-31 |