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All Patents in class 72
Patents 856 - 870 of 884
First set of recordsPrevious set of recordsNext set of recordsLast set of records
3,485,071Dec. 23, 1969C.O. Jones, Jr.Multiple stroke depth selector for hydraulic press brakesstamping presses
3,498,101Mar. 03, 1970J.L. DaniellCaulking Toolplumber
3,555,870Jan. 19, 1971A.F. TremblayGear Forminggear making machines
3,566,747Mar. 02, 1971C.W. FrameSelf-regulating expansion type control valvedrop hammers
3,585,662Jun. 22, 1971A.Z. BoyajianPliers for cutting and bending wirewire cutters
3,625,263Dec. 07, 1971J.F. KopczynskiRoll bending machine and method
3,702,558Nov. 14, 1972G.H. Trautman, Jr., D.G. SwensonDeflection compensating press brake die supportsheet metal brakes
3,716,879Feb. 20, 1973A.Z. BoyajianPliers for cutting and bending wirewire cutters
3,739,664Jun. 19, 1973J.E. Swanstrom, Jr.Tools and Machine Parts and Methods from Inverse Draft Forgingpliers
3,783,910Jan. 08, 1974J.F. KopczynskiBending machine for straightening elongated workpieces
3,796,081Mar. 12, 1974A.S. BoardmanRoll-forming machines
4,028,756Jun. 14, 1977L.R. CoutoHand Tool for Working Electrical Connectors
4,070,896Jan. 31, 1978R.J. HeitnerPress brake with improved ram leveling adjustment
4,205,543Jun. 03, 1980R.D. WrightSpring Winder
4,347,723Sep. 07, 1982C.R. BradleeMethod and apparatus for tensioning metallic strips on a slitting line
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