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Patents for Frank D. Howard
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,027,575May 28, 1912C.H. UsherStop-motion for planers and the likeindustrial machine pulleys and belt drive mechanisms
CA-140,867Jun. 04, 1912C.H. UsherPlaner mechanismmetal planer accessories
1,088,852Mar. 03, 1914C.H. UsherPlaner-stop mechanismmetal planer accessories
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