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Patents for A. R. Silver
Patents 1 - 4 of 4
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
53,216Mar. 13, 1866L.A. DoleImprovement in machines for boring hubs
103,157May 17, 1870J. DemingImprovement in Spoke-Tenoning and Hub-Boring Machines
RE4,552Sep. 12, 1871J. DemingImprovement in spoke-tenoning and hub-boring machines
133,342Nov. 26, 1872A.R. SilverImprovement in Meat-Stuffers
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