All Patents in class 192/111.7


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All Patents in class 192/111.7
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
1,490,859	Apr. 15, 1924	F.H. Sleeper	Friction clutch	friction clutches
1,930,319	Oct. 10, 1933	W.F. Ocenasek	Friction clutch	woodworking power transmission