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All Patents of Type: sheet metal brakes
Patents 1 - 15 of 19
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NumberDatePatenteeTitleType
142,921Sep. 16, 1873W.F. KistlerSheet Metal Bending-Machinessheet metal brakes
393,583Nov. 27, 1888J.M. RobinsonBrake for Bending Sheet Metalsheet metal brakes
407,530Jul. 23, 1889T.W. IrwinMachine for Shaping Sheet Metalsheet metal brakes
504,710Sep. 12, 1893J.H. CrockerCornice Brakesheet metal brakes
583,729Jun. 01, 1897N.G. Boggs, J.M. BrownCornice and eaves-trough brake machinesheet metal brakes
658,077Sep. 18, 1900F. ThomasMachine for bending sheet metalsheet metal brakes
827,553Jul. 31, 1906J. McKayMetal Bending Machinesheet metal brakes
2,428,337Sep. 30, 1947F.E. MunschauerSleeve clutch and brakemetal shears
2,474,683Jun. 28, 1949V.F. LinderBending brake with adjustable work stop and clamping meanssheet metal brakes
2,634,787Apr. 14, 1953R.P. LinderGauge for bending brakessheet metal brakes
2,705,501Apr. 05, 1955R.C. FritzschNon-repeat valvesheet metal brakes
2,734,609Feb. 14, 1956R.C. FritzschPneumatic clutch controlsheet metal brakes
2,856,044Oct. 14, 1958M.W. Hazelton, H.F. Koenig, IIIAutomatic shift two-speed press brakesheet metal brakes
2,946,234Jul. 26, 1960R.H. JahnkePress brakesheet metal brakes
2,978,976Apr. 11, 1961C.J. Ostendorf, R.E. Griesheimer, M.W. HazeltonLevel control for press brakes and the likesheet metal brakes
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