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Patents for Orville T. Chamberlain
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
256,448Apr. 11, 1882A.J. SignorDie Stocktap wrenches and die stocks
389,400Sep. 11, 1888E.C. MeadWrenchscrew adjust wrenches
445,185Jan. 27, 1891E.C. MeadWrenchratchet wrenches
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