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All Patents in class 285/319
Patents 1 - 4 of 4
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
116,655Jul. 04, 1871G. Westinghouse, Jr.Improvement in valve devices for steam-power air-brake couplings
526,448Sep. 25, 1894E. KarschnerScale Measure
  2,637,595May 05, 1953G.B. Fox, D.B. DickhartRinse arm connection
  3,052,999Sep. 11, 1962C.B. Sipek, R.K. SedgwickIdentifying Means for Tools
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