RR

Richard A. Rosenkrans

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Hesperia, CA: #44 of 113 inventorsTop 40%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,871,456 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4998047 Ignition circuit for explosive devices and the like 1991-03-05