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All Patents of Type: layout tools
Patents 1 - 9 of 9
First set of recordsLast set of records
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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