PH

Preston von Helf

📍 Yucaipa, CA: #64 of 120 inventorsTop 55%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #2,958,963 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9728944 Pull string advancing tool — 2017-08-08