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All Patents in class 254/360
Patents 1 - 5 of 5
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  616,580Dec. 27, 1898J.A. MumfordTowing-machine
793,561Jun. 27, 1905H. BolthoffEngine
1,559,856Nov. 03, 1925M.H. DickinsonLoading engine
  2,465,594Mar. 29, 1949H. KnutsonSteam Winch
3,125,200Mar. 17, 1964F.A. KamanPneumatic hoist
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