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Patents for George C. Merriam
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
147,427Feb. 10, 1874D.W. ParkerClaw-Hammershammers
151,907Jun. 09, 1874C. ParkerClaw-Hammershammers
164,604Jun. 15, 1875H. SmithImprovement in drills for drilling metalhand drills
RE6,623Aug. 31, 1875D.W. ParkerImprovement in Claw-Hammershammers
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