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All Patents of Type: test indicators
Patents 1 - 15 of 28
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NumberDatePatenteeTitleType
520,201May 22, 1894J. BathMicrometer Indicatortest indicators
526,960Oct. 02, 1894J. BathMicrometer Indicatortest indicators
659,048Oct. 02, 1900J. BouletMicrometer Indicatortest indicators
682,450Sep. 10, 1901J. BouletMicrometer Indicatortest indicators
715,582Dec. 09, 1902H.D. Waterhouse, F.B. JacobsTest Indicatortest indicators
752,752Feb. 23, 1904J. BouletMicrometer Indicatortest indicators
773,425Oct. 25, 1904A.E. Babin, G.G. RiggsLathe Test Indicatortest indicators
825,911Jul. 17, 1906H. KochTest Indicatortest indicators
937,978Oct. 26, 1909P.G. WheelerTest Indicatortest indicators
1,006,924Oct. 24, 1911E.M. ErbTest Indicatortest indicators
1,019,400Mar. 05, 1912V. Langsdon, L.W. ZuegnerUniversal Test Indicatortest indicators
1,056,186Mar. 18, 1913F. LaplantDial Test Indicatortest indicators
1,134,713Apr. 06, 1915J.L. WolfeTest Indicatortest indicators
1,139,936May 18, 1915J.N. WarnerUniversal Test Indicatortest indicators
1,144,367Jun. 29, 1915H.A. LoweTest Indicatortest indicators
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