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All Patents of Type: sheet metal forming rolls
Patents 1 - 5 of 5
First set of recordsLast set of records
20,942Jul. 20, 1858E. FieldMaking Watchessheet metal forming rolls
357,228Feb. 08, 1887O. PocockMachine for Bending Sheet Metalsheet metal forming rolls
GB-189,725,999Oct. 15, 1898C.W. JamesImprovements in Machine for Manufacturing Open or Reticulated Metal Worksheet metal forming rolls
1,735,243Nov. 12, 1929P.R. HahnemannSlip Roll Forming Machinesheet metal forming rolls
1,742,654Jan. 07, 1930P.R. HahnemannSlip Rol Forming Machinesheet metal forming rolls
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