Assignee
TFS INC
US5 patents
Top patents by PatentIndex Score
US4686948AAug 18, 1987
Head for high performance internal combustion engine
TFS INC31 citations91
US5138990AAug 18, 1992
In-line cylinder head for internal combustion engine
TFS INC13 citations72
US5076224ADec 31, 1991
In-line cylinder head for internal combustion engine
TFS INC13 citations72
US4919092AApr 24, 1990
In-line cylinder head for internal combustion engine
TFS INC12 citations72
US4773382ASep 27, 1988
Head for high performance internal combustion engine
TFS INC15 citations72