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Patents for Hoefer Mfg. Co.
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
506,865Oct. 17, 1893D.C. Stover, F.W. Hoefer, E.A. Hoefer, A. HoeferSensitive drilldrill presses
542,694Jul. 16, 1895F.W. Hoefer, D.C. StoverSensitive drill pressdrill presses
542,695Jul. 16, 1895F.W. Hoefer, D.C. StoverVariable-speed sensitive drill pressdrill presses
809,372Jan. 09, 1906E.A. HoeferVariable-speed geardrill presses
1,164,813Dec. 21, 1915F.W. Hoefer, C.A. HoeferMultiple-spindle drill-headwood drilling and boring
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