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All Patents of Type: plumbs
Patents 1 - 6 of 6
First set of recordsLast set of records
39,124Jul. 07, 1863D.G. Davidson, E. Pullen, J.S. DavidsonPlumb, Level, and Squareplumbs
72,159Dec. 17, 1867S.A. BostwickPlumb & Levelplumbs
505,445Sep. 26, 1893W.R. DortonAdjustable Spirit Level and Plumb Devicespirit levels
730,568Jun. 09, 1903W. PotterCombination Carpenter's Levelspirit levels
743,100Nov. 03, 1903W. PotterCarpenter's Level and Quadrantspirit levels
765,321Jul. 19, 1904W. PotterLevel and Plumbplumbs
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