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All Patents of Type: bolt heading machines
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
146,374Jan. 13, 1874J.R. AbbeBolt-Heading Machinebolt heading machines
258,641May 30, 1882J.T. Golcher, G. GolcherMachine for Forging Carriage Boltsforging machines
364,208Jun. 07, 1887J.R. BlakesleaBolt Heading Machinebolt heading machines
1,381,509Jun. 14, 1921F.J. SchwimmerBolt-Heading Machinebolt heading machines
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