RC

Ramon M. Cardona

AT AT&T: 1 patents #10,626 of 18,772Top 60%
AT American Telephone And Telegraph: 1 patents #132 of 699Top 20%
📍 Des Plaines, IL: #489 of 807 inventorsTop 65%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,902,571 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D307748 Keyboard David G. Geis, Francis E. Huntoon, Chris G. Johnson, Kenneth F. Lewinski, Raymond R. Seidlitz +1 more 1990-05-08