DW

David R. Wellard

CS Crystal Semiconductor: 1 patents #38 of 74Top 55%
Overall (All Time): #3,875,474 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5012244 Delta-sigma modulator with oscillation detect and reset circuit Donald A. Kerth, Bruce P. Del Signore, Eric J. Swanson 1991-04-30