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All Patents of Type: spring making machines
Patents 1 - 11 of 11
First set of recordsLast set of records
NumberDatePatenteeTitleType
16,793Mar. 10, 1857P.G. GardinerMachine for Coiling Steel Springsspring making machines
75,405Mar. 10, 1868D. Ward, J. FreelandMachine for Coiling Springsspring making machines
360,623Apr. 05, 1887J.T. SidénTool for Making Spiral Springsspring making machines
462,647Nov. 03, 1891J.E. BidwellSpring Bending and Fitting Machinespring making machines
493,294Mar. 14, 1893H.E. ProcunierApparatus for Edging Metal Ribbons or Stripesspring making machines
531,673Jan. 01, 1895T.R. AlmondWire Coiling Devicespring making machines
562,529Jun. 23, 1896C.A. HällgrenMachine for Making Spiral Wire Springsspring making machines
1,496,559Jun. 03, 1924F.H. SleeperMachine for finishing springsspring making machines
1,507,007Sep. 02, 1924F.H. SleeperWire-forming machinespring making machines
2,632,482Mar. 24, 1953J.C. LincolnApparatus for Bending Sinuous Wire Strips into Springsspring making machines
2,783,782Mar. 05, 1957S.G. Blumensaadt, J.C. LincolnWire Bending Machinespring making machines
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