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Patents for Virginia I. Beringer
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,365,071Jan. 11, 1921W.A. AbeggSocket Wrenchsocket wrenches
D58,117Jun. 07, 1921A.H. SweetlandDesign for an electrically-operated hand-drillhandheld power drills
1,398,054Nov. 22, 1921W.A. AbeggSocket Wrenchsocket wrenches
1,411,538Apr. 04, 1922A.H. SweetlandHand drillhandheld power drills
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