DB

Donald Bigcharles

📍 Swan Hills, CA: #64 of 263 inventorsTop 25%
Overall (All Time): #2,222,555 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6182617 Apparatus for internal combustion engine — 2001-02-06
4979671 Auto thermostat — 1990-12-25