DR

Darryl A. Von Rotz

📍 Sacramento, CA: #811 of 1,687 inventorsTop 50%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,665,310 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5974913 Powered gate valve wrench apparatus Michael Ayers 1999-11-02