| 12090102 |
Wheelchair back support adjustment system with central spherical joint |
Joseph S. Bieganek, Eric Vielbig, Karl Youngdahl, Joshua A. Middel |
2024-09-17 |
| 11103395 |
Techniques for shape capture and wheel chair seat creation |
Joseph S. Bieganek, Joshua A. Middel, Steve Maurus, Edward J. Gillman |
2021-08-31 |
| 8567863 |
Back support, orientation mechanism and method |
Rex W. Stevens, Bruce D. Roemmich, Steven C. Maurus |
2013-10-29 |
| 8517469 |
Three-axis adjustable back support assembly and method |
Joseph S. Bieganek, Rex W. Stevens, Eric Vielbig |
2013-08-27 |
| 7395566 |
Method of reinforcing and adjusting a contoured seat cushion |
Aaron Pierce, Steve Maurus |
2008-07-08 |
| 7373678 |
Seat cushion with adjustable contour and method of adjusting the contour of a seat cushion |
Joseph S. Bieganek, Steve Maurus |
2008-05-20 |
| 7220376 |
Individually-contoured seat cushion and shape capturing and fabricating method for seat cushion |
Joseph S. Bieganek |
2007-05-22 |
| 7216388 |
Contoured seat cushion and method for offloading pressure from skeletal bone prominences and encouraging proper postural alignment |
Joseph S. Bieganek |
2007-05-15 |
| 7140057 |
Reinforced and adjustable contoured seat cushion and method of reinforcing and adjusting the contoured seat cushion |
Aaron Pierce, Steve Maurus |
2006-11-28 |
| 6990744 |
Apparatus and method for evaluating clearance from a contoured seat cushion |
Joseph S. Bieganek, Joan Padgitt |
2006-01-31 |
| 4995795 |
Noise reducing wear shield for piston face |
Roy J. Rozek |
1991-02-26 |
| 4730550 |
Piston cup and cylinder assembly |
David A. Bramstedt, Charles E. LaBelle |
1988-03-15 |
| 4275999 |
Air compressor with ramped intake valve |
Charles E. LaBelle |
1981-06-30 |