WM

William S. Marras

UN Unknown: 3 patents #7,366 of 83,584Top 9%
📍 Powell, OH: #170 of 479 inventorsTop 40%
🗺 Ohio: #23,384 of 73,341 inventorsTop 35%
Overall (All Time): #1,660,541 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5143088 Apparatus for monitoring the motion components of the spine Shelby W. Davis, Robert J. Miller, Gary A. Mirka 1992-09-01
5094249 Apparatus for monitoring the motion of the lumbar spine Robert J. Miller, Shelby W. Davis, Gary A. Mirka 1992-03-10
5012819 Apparatus for monitoring the motion components of the spine Shelby W. Davis, Robert J. Miller, Gary A. Mirka 1991-05-07