MC

Melvin R. Crutchfield

📍 Phoenix, AZ: #3,656 of 6,660 inventorsTop 55%
🗺 Arizona: #18,403 of 32,909 inventorsTop 60%
Overall (All Time): #4,126,543 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4241713 Rotary internal combustion engine — 1980-12-30