AC

Albert B. Constantine

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #2,364,426 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4416225 Improvements relating to internal combustion engines Alan Walker 1983-11-22
4294549 Mixing apparatus Raymond Thompson, Alan Todd 1981-10-13