RN

Roger D. Nicholson

UN Unknown: 2 patents #12,644 of 83,584Top 20%
📍 Irvine, CA: #4,014 of 6,241 inventorsTop 65%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,920,088 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4802048 Limited play tape cassette system Leland M. Perkins, Ralph L. Dodds, David H. Rubenstein 1989-01-31