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Patents for David F. Graham
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,328,428Jan. 20, 1920D.F. GrahamSocket-Wrenchsocket wrenches
D57,775May 03, 1921D.F. GrahamSocket Wrenchsocket wrenches
D59,417Oct. 18, 1921D.F. GrahamSocket Wrenchwrench sockets
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