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William E. Ruffino

📍 Agua Dulce, CA: #13 of 30 inventorsTop 45%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,175,913 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8536434 Retrofit kit and method for tuning and miking resonant side drumhead — 2013-09-17