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Patents for Edwin S. Clarkson
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
427,743May 13, 1890R.L. Warner, H.B. Smith, W.M. ChamberlainImprovements in Hub-Wrenchesaxle nut wrenches that lock nut to wheel hub
446,074Feb. 10, 1891C.H. MyersAttachment for Metal Planersmetal planer accessories
D34,017Jan. 29, 1901F.O. FarwellDesign for a Casing for Inclinometerslevels
808,245Dec. 26, 1905J. LundWood-Boring Implementauger bits
937,962Oct. 26, 1909H.B. RossCutter-head for grooving-machinescutterheads
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