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All Patents in class 72/449
Patents 1 - 7 of 7
First set of recordsLast set of records
NumberDatePatenteeTitleType
78,769Jun. 09, 1868J. SwanMachine for Upsetting Cook's Bitsmaking drills and augers
144,969Nov. 25, 1873W. EvansMachines for Forging Hammerstool making machines
297,659Apr. 29, 1884J.H. BakerForge Hammerforging dies
1,457,020May 29, 1923J.G. CollinsMandrel and straightening press
1,655,120Jan. 03, 1928E.W. ZehAdjusting apparatus for power pressesmetalworking presses
2,260,624Oct. 28, 1941A.S. JohannSheet Metal Shapersheet metal
3,260,091Jul. 12, 1966R.M. Shaw, Jr.Bending Machinemetal bending machines
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