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All Patents in class 33/379
Patents 1 - 15 of 21
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NumberDatePatenteeTitleType
100,463Mar. 01, 1870C.M. Stratton, E.A. StrattonImprovement in Spirit Levelwooden levels
129,183Jul. 16, 1872E.A. Stratton, C.M. StrattonImprovement in adjustable spirit-levelslevels
198,909Jan. 01, 1878T. Bedworth, F.T. WardImprovement in Spirit Levelslevels
310,154Dec. 30, 1884B.F. TylerSpirit Levellevels
339,369Apr. 06, 1886G. BlytheSpirit Levellevels
356,645Jan. 25, 1887H.N. JasperAkron Spirit Levellevels
365,033Jun. 14, 1887O.D. WoodSpirit Levelwooden levels
383,196May 22, 1888C.M. Stratton, E.A. StrattonSpirit Levellevels
397,043Jan. 29, 1889R.D. WerdenSpirit Levellevels
511,377Dec. 26, 1893J.A. TrautSpirit-Levelmetallic levels
523,022Jul. 17, 1894J.A. TrautLevellevels
534,303Feb. 19, 1895J.A. TrautSpirit-Levellevels
562,679Jun. 23, 1896C. Bodmer, J.A. TrautMethod of Marking Level Glasses or Analogous Articleslevels
649,626May 15, 1900H. BraunAdjustable Level and Gage Attachment for Squares
674,107May 14, 1901J.A. TrautLevel-Glasslevels
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