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All Patents in class 425/143
Patents 1 - 4 of 4
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  977,972Dec. 06, 1910C.A. ShalerVulcanizer
1,158,315Oct. 26, 1915C.A. ShalerVulcanizer
  1,654,761Jan. 03, 1928F.E. StevensonHydraulic Brick Press
  3,222,720Dec. 14, 1965R.P. Hyland, S. SaslawskyHeater indicating means for extrusion system
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