SA

Sofyan Adiwinata

Overall (All Time): #1,056,374 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
RE34876 Rotary internal combustion engine 1995-03-14
5322425 Rotary internal combustion engine 1994-06-21
5141419 Rotary internal combustion engine 1992-08-25
5067883 Rotary internal combustion engine 1991-11-26
5024590 Rotary engine of the type having a planetary rotor with rotor and shaft equal rotation 1991-06-18