Patents per Year
Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6390554 | Weight positioning reclining seat kit for wheelchairs | David Harding, Son Ma | 2002-05-21 |
| 6015189 | Adjustable chair | Douglas G. Broadhead, Czeslaw Cimachowski, Brian Bentley, Joe Krommenhoek, Son Ma +2 more | 2000-01-18 |
| 5946323 | Asynchronous transfer mode integrated access service | Cheryl F. Newman, Ronald W. Toth, Fang-Chi Wu | 1999-08-31 |
| 5320412 | Adjustable chair | Czeslaw Cimachowski, Brian Bentley, Joe Krommenhoek, Son Ma, David Harding +1 more | 1994-06-14 |