PR

Primo D. Richina

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Cadempino, CH: #4 of 5 inventorsTop 80%
Overall (All Time): #3,946,749 of 4,157,543Top 95%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4725226 Device for activating the combustion process Benno Balsiger 1988-02-16