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All Patents in class 403/113
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
185Apr. 29, 1837L. HedgeDouble-Centered Joint for Rulesfolding rule joints
18,558Nov. 03, 1857R.W. StoneJoint of Carriage-Tops
310,821Jan. 13, 1885S.N. Hench, W.A. DromgoldCultivator spring-hoecultivators
465,664Dec. 22, 1891M. HogartyRulefolding rules
532,658Jan. 15, 1895G.C. GillespieFolding Rulerfolding rule joints
1,892,813Jan. 03, 1933E.H. SheldonDesk structure
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