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Patents for John Henry Johnson
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
GB-186,701,067Apr. 10, 1867G. Selsor, W. Cook, J.H. JohnsonHammershammers
GB-187,000,904Mar. 28, 1870J.H. Johnson, G.C. TaftWrenchesnut wrenches
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