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All Patents of Type: metal bending machines
Patents 1 - 15 of 16
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NumberDatePatenteeTitleType
10,200Nov. 01, 1853G. WillstonImprovement in machines for straightening or curving railsmetal bending machines
92,134Jun. 29, 1869M.G. WilderImproved machine for bending tubesmetal bending machines
106,603Aug. 23, 1870R. MillerImprovement in machines for bending volute springsmetal bending machines
300,140Jun. 10, 1884P. Ackermann, M. SchlummMachine for Bending Metallic Hoopsmetal bending machines
326,746Sep. 22, 1885W.H. JohnsonCombined Gang Punch and Bending Machinemetal punches
468,659Feb. 09, 1892E. HeydeBending-rollmetal bending machines
491,968Feb. 14, 1893W. LewisBending-rollmetal bending machines
500,286Feb. 14, 1893W. LewisBending-rollmetal bending machines
777,817Dec. 20, 1904F.H. StolpMachine for making Radiator Tubesmetal bending machines
1,327,641Jan. 13, 1920F.H. StolpMachine for Folding Metal Tubesmetal bending machines
1,388,903Aug. 30, 1921F.H. StolpTube Making Machinemetal bending machines
1,631,386Jun. 07, 1927A. Schaaf, J.O. Groff, W. SeymourMetal Bending Machinemetal bending machines
1,743,418Jan. 14, 1930A.T. YatesBending Machinemetal bending machines
1,963,661Jun. 19, 1934W.E. KaneMetal bending machinemetal bending machines
2,088,746Aug. 03, 1937W.E. Kanemetal bending machinemetal bending machines
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