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All Patents of Type: cranes
Patents 1 - 6 of 6
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
285,100Sep. 18, 1883H.M. Barnhart, E. HuberTraveling crane
325,309Sep. 01, 1885H.M. Barnhart, E. HuberDevice for loading and unloading cars
1,422,459Jul. 11, 1922R.E. ManleyPortable floor crane
  1,576,702Mar. 16, 1926F. AckermanElectrically Operated Bridge Crane
3,396,860Aug. 13, 1968W.J. Witwer, J.V. WrightExcavator and grader or crane apparatus
  CA-822,521Sep. 09, 1969J.V. Wright, W.J. WitwerExcavator and grader or crane apparatus
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