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All Patents of Type: squares
Patents 1 - 15 of 403
First set of recordsNext set of recordsLast set of records
NX-181,912,151Dec. 15, 1819C. HawsCarpenters Squarecarpenter squares
4,687XFeb. 28, 1827J.G. WilsonTailor's Squaresquares
7,112XJun. 07, 1832A. WiswellFraming Squarecarpenter squares
7,566XMay 03, 1833J.G. WilsonTailor's Squaresquares
7,817XNov. 19, 1833B.J. LewisTailor's Square and Measuresquares
9,860XJul. 01, 1836J. FrederickTailor's Squaresquares
6,332Apr. 17, 1849J. EssexMachine for Marking Carpenters' Squaresmaking rules
8,897Apr. 20, 1852F. WilbarImproved Reflecting Spirit Level and Squarelevels
9,089Jul. 06, 1852N. AmesCenter Square for Finding the Center of a CIrclecenter squares
10,136Oct. 18, 1853D.J. George, N. MillingtonMachine for Figuring Carpenter's Squarestool making machines
11,489Aug. 08, 1854D.J. George, N. MillingtonMachine for Graduating Carpenters' Squarestool making machines
11,841Oct. 24, 1854J. ShanklinSquare, Scale, Level, and Bevelsquares
13,127Jun. 26, 1855C.J. Ackerman, J.S. HalsteadTry Square and Bevelsquares
14,329Feb. 26, 1856H. WhippleInstrument for measuring the length of braces in carpentryrules
14,863May 13, 1856J. GorhamHandsawcombination saws
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