Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7188901 | Chair adjustment mechanism | Kenneth Beggs, David Watkins | 2007-03-13 |
| 7097254 | Height-adjustment mechanism for an armrest | David Lloyd Hobb, Gerard J. Matern, Arthur A. Patton, Cuong Quoc Vo, David Watkins | 2006-08-29 |
| 6896333 | Height-adjustment mechanism for an armrest | Gerard J. Matern, David Lloyd Hobb, Arthur A. Patton, Cuong Quoc Vo, David Watkins | 2005-05-24 |
| 5382077 | Height adjustment mechanism for a chair seat back | William S. Stumpf, Art A. Patton | 1995-01-17 |