Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8070823 | Prosthetic ball-and-socket joint | Franz W. Kellar | 2011-12-06 |
| 8029574 | Prosthetic knee joint | Franz W. Kellar, Glenn A. Rupp | 2011-10-04 |
| 7914580 | Prosthetic ball-and-socket joint | Franz W. Kellar | 2011-03-29 |
| 7905919 | Prosthetic joint | Franz W. Kellar | 2011-03-15 |