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All Patents in class 33/414
Patents 1 - 10 of 10
First set of recordsLast set of records
NumberDatePatenteeTitleType
12,599Mar. 27, 1855S.B. KnightMethod of Chalking Lineslayout tools
65,057May 28, 1867J.W. CarterImprovement in chalk-line markerlayout tools
316,530Apr. 28, 1885E. Hardin, J.L. DownieLine Chalker and Plumb Bobplumb bobs
461,757Oct. 20, 1891R.C. HuxtableChalk Line Holder and Plummet
873,686Dec. 10, 1907A.B. SharpChalk Line Holder
909,846Jan. 12, 1909W.N. CavileerPlumb Bob and Chalk Line Holderplumbs
947,892Feb. 01, 1910J.D. EastmanChalk-Line Holderrules
1,251,712Jan. 01, 1918J.S. WakimotoChalk Line Holder & Reel
1,876,473Sep. 06, 1932M.A. Gibson, F.C. SpaethPlumb Bob and Chalk Lineplumb bobs
2,589,500Mar. 18, 1952J.R. Thomson, R.K. LandonStrait-Lineplumb bobs
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