RF

Roberto Forero De Francisco

Overall (All Time): #3,594,824 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6293236 Breathing system for internal combustion engines, using dual duty (alternatively exhaust-intake) valves and a forced air supply 2001-09-25