Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6773461 | Constrained prosthetic knee with rotating bearing | John E. Meyers, G. Douglas Letson, Vincent A. Webster, Bill N. Sisk, Bill H. Haywood +5 more | 2004-08-10 |
| 6719800 | Constrained prosthetic knee with rotating bearing | John E. Meyers, G. Doug Letson, Vincent A. Webster, Bill N. Sisk, Bill H. Haywood +5 more | 2004-04-13 |