OP

Onno M. Prinsze

📍 Scottsdale, AZ: #1,390 of 3,386 inventorsTop 45%
🗺 Arizona: #13,050 of 32,909 inventorsTop 40%
Overall (All Time): #2,363,323 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4398139 Rechargeable flashlight combined with a constant current battery charging circuit — 1983-08-09
4350946 Multiple constant current battery charging apparatus — 1982-09-21