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All Patents in class 83/411.1
Patents 1 - 6 of 6
First set of recordsLast set of records
24,111May 24, 1859K. FreemanDevice for clamping the bolts in circular sawing shingle-machinesshingle machines
49,228Aug. 08, 1865G. ChallonerImprovement in shingle-machinesshingle machines
65,001May 21, 1867E.R. OsgoodImprovement in shingle machinesshingle machines
114,443May 02, 1871J. JimoImprovement in shingle machinesshingle machines
358,474Mar. 01, 1887P. O'ConnorShingle-sawing machineshingle machines
380,346Apr. 03, 1888W.J. PerkinsShingle-sawing machineshingle machines
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