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All Patents of Type: level adjustments
Patents 1 - 15 of 19
First set of recordsNext set of recordsLast set of records
12,384Feb. 13, 1855H.W. EvansSpirit Levelinclinometers
17,870Jul. 28, 1857C. ColeAdjustment Applied to Pendulum Levelslevel adjustments
18,728Dec. 01, 1857C. BeckerSurveying Levellevel adjustments
36,906Nov. 11, 1862T.N. HosmerImprovement in Spirit-Levelslevel adjustments
49,710Sep. 05, 1865R.T. BurnettReplacable Level Vialslevel adjustments
52,579Feb. 13, 1866R. LedigImprovement in Spirit-Levelsinclinometers
423,969Mar. 25, 1890J.A. TrautSpirit-Levellevel adjustments
573,682Dec. 22, 1896W.M. MortonSpirit-Level and Plumblevel adjustments
785,581Mar. 21, 1905A.V. ShortsLevellevel adjustments
820,028May 08, 1906J.A. TrautLevellevel adjustments
857,991Jun. 25, 1907W.A. GibsonCombined Level and Plumbinclinometers
902,778Nov. 03, 1908J.A. TrautPlumb-Levellevel adjustments
948,232Feb. 01, 1910O.H. LundLevel Attachment for Straight-Edgeslevel adjustments
1,007,303Oct. 31, 1911F.W. MerrimanLevellevel adjustments
1,211,882Jan. 09, 1917E.A. SchadeSpirit-Levelmetallic levels
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