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Patents Granted on 1874-07-07
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
152,748Jul. 07, 1874W.G. HearnImprovement in saw-mill head-blockssawmill headblocks
152,840Jul. 07, 1874S.S. GrannisImprovement in head-blocks for saw-millssawmill headblocks
152,872Jul. 07, 1874C.T. ShoemakerImprovement in Devices for Hammering Sawshandsaws
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