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All Patents in class 427
Patents 16 - 30 of 31
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567,966Sep. 22, 1896D. DrawbaughSubstance for telephone-electrodes
577,671Feb. 23, 1897N. TeslaManufacture of Electrical Condensers, Coils, &c.
1,675,419Jul. 03, 1928G.T. PflegerProcess of insulating motor windingsmotor windings
1,854,071Apr. 12, 1932E.C. SchachtMethod of manufacturing abrasives
2,027,307Jan. 07, 1936E.C. SchachtMethod of coating and apparatus therefor and product
2,082,182Jun. 01, 1937E.C. SchachtManufacture of abrasive articles
2,085,995Jul. 06, 1937W.I. Patnode, E.J. FlynnInsulated electrical conductor and method of making sameelectric motors
RE20,660Feb. 22, 1938E.C. SchachtMethod of coating and apparatus therefor and product
2,245,301Jun. 10, 1941E.C. SchachtManufacture of abrasive articles
2,307,588Jan. 05, 1943R.W. Hall, E.H. JacksonInsulated electrical conductorelectric motors
2,328,869Sep. 07, 1943L.A. WilkieSaw band and method of lubricating the same
2,829,006Apr. 01, 1958I.O. JohanssonSpray coating means
3,027,271Mar. 27, 1962P.A. Plasse, R.E. PolitiPressure sensitive adhesive sheet material having a protective coating of heat removable material
3,084,449Apr. 09, 1963H.W. HuffmanMethod and apparatus for producing air-cooled carbon-coated paper
3,761,300Sep. 25, 1973H.W. Huffman, J.A. WilmerMethod of disintegrating a glue string attached to a glue head by means of a heated wire of the like and after said bead is applied to a web
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