DF

Doug R. Farrenkopf

NS National Semiconductor: 2 patents #27 of 179Top 20%
🗺 California: #1,124 of 13,957 inventorsTop 9%
Overall (1994): #35,237 of 165,921Top 25%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5296409 Method of making n-channel and p-channel junction field-effect transistors and CMOS transistors using a CMOS or bipolar/CMOS process Richard B. Merrill 1994-03-22
5276582 ESD protection using npn bipolar transistor Richard B. Merrill, David C. Reynolds 1994-01-04