Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6165142 | Biomedical apparatus | — | 2000-12-26 |
| 6095611 | Modular backrest system for a wheelchair | Dennis L. Clapper | 2000-08-01 |
| D416326 | Interface pressure measuring element of interface pressure measuring device | — | 1999-11-09 |
| D415834 | Interface pressure measuring and display apparatus | — | 1999-10-26 |
| D415567 | Display element of biomedical apparatus for measuring or evaluating physical variables | — | 1999-10-19 |
| D413841 | Back support pad assembly for a wheelchair | Dennis L. Clapper | 1999-09-14 |
| D413085 | Back support pad assembly for a wheelchair | Dennis L. Clapper | 1999-08-24 |
| D412685 | Back support pad assembly for a wheelchair | Dennis L. Clapper | 1999-08-10 |
| D408767 | Back support for a wheelchair | Dennis L. Clapper | 1999-04-27 |
| D407353 | Back support for a wheelchair | Dennis L. Clapper | 1999-03-30 |
| 5364162 | Backrest assembly for a wheelchair | Calvin L. Guthrie | 1994-11-15 |