BF

Bertram W. Fromson

Overall (All Time): #4,058,522 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4407240 Opposed piston internal combustion engine with special scavenging means 1983-10-04