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All Patents in class 254/374
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
1,650,936Nov. 29, 1927M.B. McLauthlin, J.W. DoddElevator hoist
2,152,969Apr. 04, 1939W.W. NashBalancer
  2,941,249Jun. 21, 1960H.H. RogersMultiple Opening Press
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