Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6015189 | Adjustable chair | Douglas G. Broadhead, Richard Eakins, Brian Bentley, Joe Krommenhoek, Son Ma +2 more | 2000-01-18 |
| 5320412 | Adjustable chair | Richard Eakins, Brian Bentley, Joe Krommenhoek, Son Ma, David Harding +1 more | 1994-06-14 |