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Patents for Phillips Screw Company
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,046,837Jul. 07, 1936H.F. PhillipsMeans for Uniting a Screw with a Driver
2,046,838Jul. 07, 1936H.F. PhillipsScrew Driverscrewdrivers
2,046,839Jul. 07, 1936T.M. Fitzpatrick, H.F. PhillipsScrew
2,046,840Jul. 07, 1936T.M. Fitzpatrick, H.F. PhillipsScrew Driverscrewdrivers
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