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All Patents in class 33/343
Patents 1 - 15 of 24
First set of recordsNext set of recordsLast set of records
60,690Jan. 01, 1867G.L. ChamberlainImprovement in Combined Square and Levellevels
101,477Apr. 05, 1870J.A. LittlefieldImprovement in Combined Square, Protractor, Level, & c.squares
201,371Mar. 19, 1878W.P. WalterImprovement in Combined Bevel, Square, and Leveltry squares
303,666Aug. 19, 1884F.W. RitchieCombination tool
304,601Sep. 02, 1884F.W. BoettcherCombined Square, Level and Trianglebevel squares
312,743Feb. 24, 1885B.B. MerrillCombined Square, Bevel and Levelsquares
329,156Oct. 27, 1885W. FordCombination Square and Gagebevel squares
339,158Apr. 06, 1886J.A. FinleyCombined square, level, and bevelbevel squares
419,615Jan. 14, 1890C. StilwellAdjustable Bevel Squarebevel squares
426,001Apr. 22, 1890H.W. EvansCombined Square, Level & Surface Gagesquares
505,445Sep. 26, 1893W.R. DortonAdjustable Spirit Level and Plumb Devicespirit levels
569,963Oct. 20, 1896O. EngmanCombined square, level, and T-squarecombination tools
651,037Jun. 05, 1900C.R. HawkinsCombination Tool of Precisionsquares
706,095Aug. 05, 1902E. OehrleCombination Square and Protractorsquares
726,973May 05, 1903J.D. McKinnonCombination Tool
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