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Patents for Elias M. Watson
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
333,577Jan. 05, 1886E.M. WatsonPipe Lifting Machineindustrial elevators and lifts
457,064Aug. 04, 1891E.M. WatsonPipe Wrenchpipe tongs
460,256Sep. 29, 1891J.F. StewardHandle for rotary toolsscrewdriver handles
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