| 6928710 |
Methods for retrofitting an adjustable chair |
M. Weldon Rogers, III, Robert A. Eberle, David L. Schwartz |
2005-08-16 |
| 6644745 |
Methods and apparatus for mechanically controlling adjustments of a chair |
M. Weldon Rogers, III, Robert A. Eberle, David L. Schwartz |
2003-11-11 |
| 6641216 |
Methods and apparatus for mechanically controlling adjustment of a chair |
M. Weldon Rogers, III, Robert A. Eberle, David L. Schwartz |
2003-11-04 |
| 6637820 |
Methods and apparatus for electrically adjusting a height of a chair |
M. Weldon Rogers, III, Robert A. Eberle, David L. Schwartz |
2003-10-28 |
| 6629731 |
Methods and apparatus for electrically controlling adjustments of a chair |
M. Weldon Rogers, III, Robert A. Eberle, David L. Schwartz |
2003-10-07 |
| 6590364 |
Power kit assembly for a height adjustable chair |
M. Weldon Rogers, III, Robert A. Eberle, David L. Schwartz |
2003-07-08 |