SV

S. Devendra K. Verma

AT AT&T: 1 patents #10,626 of 18,772Top 60%
AL American Telephone And Telegraph Company, At&T Bell Laboratories: 1 patents #330 of 1,086Top 35%
Overall (All Time): #3,965,644 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4794642 Call screening in a public telephone station Mohammad A. Arbabzadah, Richard L. Maybach, Bhaskar N. Sanakkayala 1988-12-27