DG

David J. Gampell

HP HP: 2 patents #2,312 of 7,018Top 35%
Overall (All Time): #2,292,256 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5287107 Optical isolation amplifier with sigma-delta modulation Michael D. McJimsey, Ralph E. Lovelace, Randall Canha 1994-02-15
5061859 Circuits for realizing an optical isolator Ralph E. Lovelace, James S. Ignowski 1991-10-29