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All Patents in class 33/391
Patents 1 - 15 of 26
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9,722May 17, 1853T.A. ChandlerPendulum Levelinclinometers
17,023Apr. 14, 1857T.A. ChandlerPendulum Level or Inclinometerinclinometers
39,124Jul. 07, 1863D.G. Davidson, E. Pullen, J.S. DavidsonPlumb, Level, and Squareplumbs
40,428Oct. 27, 1863W.H. Polleys, D.D. PolleysImprovment in Plumb-Levelsinclinometers
49,037Jul. 25, 1865B.G. MartinImprovement in Carpenters' Rulesrule accessories
49,802Sep. 05, 1865B.F. St. JohnImprovement in Pendulum Levelspendulum levels
51,564Dec. 19, 1865G. CuppersInclinometerinclinometers
53,795Apr. 10, 1866M.W. DoranImprovement in Plumb-Levelspendulum levels
72,740Dec. 31, 1867J.L. KnoxClinometers & Levelswooden levels
371,294Oct. 11, 1887G. WoodsPlumb Level for Boring Bitslevels
416,683Dec. 03, 1889W.B. MelickClinometerinclinometers
420,242Jan. 28, 1890C.E. NielsenPlumb Levelinclinometers
441,772Dec. 02, 1890K. MillerPlumb-Levelpendulum levels
449,557Mar. 31, 1891B.A. MountsInclinometerinclinometers
651,519Jun. 12, 1900F. AlgoudRailway Track Gagespecial purpose gauges
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