Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12090102 | Wheelchair back support adjustment system with central spherical joint | Thomas R. Hetzel, Eric Vielbig, Karl Youngdahl, Joshua A. Middel | 2024-09-17 |
| 11103395 | Techniques for shape capture and wheel chair seat creation | Thomas R. Hetzel, Joshua A. Middel, Steve Maurus, Edward J. Gillman | 2021-08-31 |
| 8517469 | Three-axis adjustable back support assembly and method | Thomas R. Hetzel, Rex W. Stevens, Eric Vielbig | 2013-08-27 |
| 7373678 | Seat cushion with adjustable contour and method of adjusting the contour of a seat cushion | Thomas R. Hetzel, Steve Maurus | 2008-05-20 |
| 7220376 | Individually-contoured seat cushion and shape capturing and fabricating method for seat cushion | Thomas R. Hetzel | 2007-05-22 |
| 7216388 | Contoured seat cushion and method for offloading pressure from skeletal bone prominences and encouraging proper postural alignment | Thomas R. Hetzel | 2007-05-15 |
| 6990744 | Apparatus and method for evaluating clearance from a contoured seat cushion | Thomas R. Hetzel, Joan Padgitt | 2006-01-31 |
| 5695245 | Orthotic seat | J. Martin Carlson, Mark J. Payette | 1997-12-09 |