Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5143088 | Apparatus for monitoring the motion components of the spine | William S. Marras, Shelby W. Davis, Robert J. Miller | 1992-09-01 |
| 5094249 | Apparatus for monitoring the motion of the lumbar spine | William S. Marras, Robert J. Miller, Shelby W. Davis | 1992-03-10 |
| 5012819 | Apparatus for monitoring the motion components of the spine | William S. Marras, Shelby W. Davis, Robert J. Miller | 1991-05-07 |