Home › Inventors › Soei Umeda

Soei Umeda — 2 Patents

Overall (All Time): #2,364,359 of 4,157,543Top 60%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4422419	Rotary internal combustion engine	—	1983-12-27
4414938	Rotary internal combustion engine	—	1983-11-15