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Patents for J. W. G. Mitchell
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,340,320May 18, 1920J.M. BrownCrimped-elbow-bending machine
CA-273,115Aug. 16, 1927J.M. BrownMachine for folding stove-pipe blanks
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