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All Patents in class 72/454
Patents 1 - 5 of 5
First set of recordsLast set of records
10,200Nov. 01, 1853G. WillstonImprovement in machines for straightening or curving railsmetal bending machines
109,115Nov. 08, 1870J. CunninghamImprovement in apparatus for fitting and setting axlesspecialty machines
300,140Jun. 10, 1884P. Ackermann, M. SchlummMachine for Bending Metallic Hoopsmetal bending machines
2,113,087Apr. 05, 1938J. JensenManually operated pressure toolmetal punches
2,132,947Oct. 11, 1938G.R. GagneTube Flaring Device
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