JM

Johnny W. Mayfield

📍 Placerville, CA: #108 of 209 inventorsTop 55%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #4,055,635 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4397202 Universal pipe lathe Roger W. Totten 1983-08-09