Patents for J. W. G. Mitchell


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Patents for J. W. G. Mitchell
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
1,340,320	May 18, 1920	J.M. Brown	Crimped-elbow-bending machine
CA-273,115	Aug. 16, 1927	J.M. Brown	Machine for folding stove-pipe blanks