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All Patents in class 33/386
Patents 1 - 15 of 17
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NumberDatePatenteeTitleType
60,788Jan. 01, 1867W.L. RichardsonSighting Levellevels
68,603Sep. 10, 1867A. Stanley, S.N. ChapinImprovement in Adjusting Spirit Levelswooden levels
73,670Jan. 21, 1868W.J. TateImprovement in Adjustable Spirit Levelslevels
128,513Jul. 02, 1872J.A. TrautImprovement in Spirit Levelslevels
288,624Nov. 20, 1883L.L. DavisSpirit Level and Plumbmetallic levels
353,846Dec. 07, 1886G. CookSpirit Levellevels
421,786Feb. 18, 1890J.A. TrautSpirit Levellevels
423,094Mar. 11, 1890E.H. TaylorApparatus for Leveling and Marking Shaftsmetallic levels
465,882Dec. 29, 1891C.E. PetersonSpirit-Levelwooden levels
523,023Jul. 17, 1894J.A. TrautLevellevels
662,925Dec. 04, 1900S. FierbaughTrack Gagetrack gauges
794,175Jul. 11, 1905A.P. HallAdjustable Level and Incinometerinclinometers
820,028May 08, 1906J.A. TrautLevellevel adjustments
825,320Jul. 10, 1906E.G. HewittSpirit-Levellevels
1,515,239Nov. 11, 1924H.J. CookSpirit Levellevels
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