CA

Charles Ashley-Rollman

📍 Andover, MA: #650 of 1,295 inventorsTop 55%
🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%
Overall (All Time): #2,325,166 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4943770 Device for accurately detecting the position of a ferromagnetic material inside biological tissue Miles C. O'Donnell, William McCormick 1990-07-24
4506230 Isolation circuit 1985-03-19