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Patents for Charles H. Avery
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
112,572Mar. 14, 1871C.H. Avery, J.S. EverittImprovement in head-blocks for saw-millssawmill headblocks
RE9,217May 25, 1880J.S. Everitt, C.H. AveryHead-block for saw-millssawmill headblocks
588,049Aug. 10, 1897C.H. AveryWrenchquick adjust wrenches
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