RH

Richard P. Holtfreter

AT American Telephone And Telegraph: 1 patents #132 of 699Top 20%
📍 Columbus, OH: #2,196 of 3,880 inventorsTop 60%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,894,260 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4894633 Fuse Apparatus — 1990-01-16