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All Patents in class 33/399
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
431,184Jul. 01, 1890R. EinsteinPlumb-Levelinclinometers
857,991Jun. 25, 1907W.A. GibsonCombined Level and Plumbinclinometers
1,533,975Apr. 14, 1925C.A. DeneGauge or leveling device for electric or other drillshandheld power tool accessories
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