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All Patents in class 33/384
Patents 1 - 15 of 22
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NumberDatePatenteeTitleType
191,389May 29, 1877T. Bedworth, F.T. WardImprovement in Spirit Levelsmetallic levels
250,080Nov. 29, 1881F. KraengelSpirit Levelinclinometers
312,743Feb. 24, 1885B.B. MerrillCombined Square, Bevel and Levelsquares
423,969Mar. 25, 1890J.A. TrautSpirit-Levellevel adjustments
467,016Jan. 12, 1892M.F. OliverSquare for Leveling & Aligning Shaftingspecial purpose gauges
523,021Jul. 17, 1894J.A. TrautLevel Vial Adjustmentlevels
565,098Aug. 04, 1896J.A. TrautLevellevels
618,254Jan. 24, 1899J. MorrisonPlumb rule and level
703,678Jul. 01, 1902J.A. TrautSpirit-Levellevels
742,010Oct. 20, 1903G.L. DavisSpirit Levelmetallic levels
756,628Apr. 05, 1904J. HappleLevel, Plumb, and Inclinometerinclinometers
787,940Apr. 25, 1905A.J. PerksSpirit level attachment for straight edges
813,561Feb. 27, 1906R. LeonhartLevellevels
826,182Jul. 17, 1906J. MorrisonPlumb rule and level
857,600Jun. 25, 1907W.U. ColtharPaper-Hanger's Plumb Levellevels
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