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All Patents in class 33/424
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
3,413XDec. 04, 1821G.H. ThompsonProtractorsprotractors
17,106Apr. 21, 1857A. McKenzieCombined Square, Miter Square, and Bevelmiter squares
29,133Jul. 17, 1860S. BarnettPlotting Instrument
53,397Mar. 27, 1866W.W. Branch, Jr.Combination Bevel and Protractorbevels
70,966Nov. 19, 1867J.E. CowderyTry-Squaretry squares
535,717Mar. 12, 1895J. McLeanCombination Square Bevelbevels
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