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All Patents in class 72/83
Patents 1 - 4 of 4
First set of recordsLast set of records
8,589Dec. 16, 1851H.W. HaydenMachinery for Making Kettles and Articles of Like Character from Disks of Metalmetal spinning machines
14,696Apr. 15, 1856O.W. MinardImprovement in Making Brass Kettlesmetal spinning machines
16,564Feb. 03, 1857M.A. CannonImprovement in Brass Kettle Machinesmetal spinning machines
187,946Feb. 27, 1877J.E. WellsSheet-Metal Spinning Machinemetal spinning machines
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