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All Patents in class 30/93
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
213,293Mar. 18, 1879F.J. Wallerius, T. MamerTube-Cuttertube cutting machines
909,182Jan. 12, 1909C.A. HartDevice for Removing Burs from Pipespipe deburring tools
941,568Nov. 30, 1909F. FlemingCombined Drill and Stay Bolt Cutterboiler repair tools
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