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All Patents of Type: layout tools
Patents 1 - 9 of 9
First set of recordsLast set of records
NumberDatePatenteeTitleType
12,599Mar. 27, 1855S.B. KnightMethod of Chalking Lineslayout tools
15,600Aug. 26, 1856L. CrofootInstrument for laying out rafterslayout tools
65,057May 28, 1867J.W. CarterImprovement in chalk-line markerlayout tools
93,937Aug. 17, 1869D.A. WilcoxImproved centring-awllayout tools
185,706Dec. 26, 1876W.P. TullockImprovement in centering deviceslayout tools
393,290Nov. 20, 1888A.C. BothScale divider and section linerlayout tools
D33,545Nov. 13, 1900G.L. BuffDesign for a Vernier Plate for Surveying Instrumentslayout tools
1,202,114Oct. 24, 1916L.S. StarrettCombined Gage and Levellayout tools
1,501,169Jul. 15, 1924A.W. KeuffellProcess of Making Drawing Instrumentslayout tools
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