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All Patents in class 33/429
Patents 1 - 15 of 40
First set of recordsNext set of recordsLast set of records
9,089Jul. 06, 1852N. AmesCenter Square for Finding the Center of a CIrclecenter squares
13,127Jun. 26, 1855C.J. Ackerman, J.S. HalsteadTry Square and Bevelsquares
22,585Jan. 11, 1859W. RipleyFraming-Squaresquares
59,721Nov. 13, 1866E.C. KelloggMachinists' Combination Toolmeasurement gauges
79,175Jun. 23, 1868W.S. WinterbottomCombined Square and Mitretry squares
91,892Jun. 29, 1869C. WinterbottomTry-Squaretry squares
95,495Oct. 05, 1869W.J. LintonImprovement in Combined Try-Square, Caliper, &c.squares
190,519May 08, 1877C.H. SchrierSquaresquares
280,398Jul. 03, 1883E. PrescottPrescott's Patent Carpenter's Square Attachmentmiter squares
310,420Jan. 06, 1885A.J. HellingsCombination Gagemeasurement gauges
312,548Feb. 17, 1885J.W. AtkinsonL-Shaped Levellevels
313,197Mar. 03, 1885E.L. GaylordMat Gage for Picture Framesmarking gauges
331,047Nov. 24, 1885P.L. FoxCombined Square and Mitermiter squares
389,549Sep. 18, 1888E.P. CrosbyCombination Tool
494,169Mar. 28, 1893O.W. SchaumCombination Gagegauges
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