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Patents for John Walker
Patents 1 - 6 of 6
First set of recordsLast set of records
25,778Oct. 11, 1859J. WalkerLocomotive crosscut-sawing machinereciprocating sawmills
362,981May 17, 1887F.E. LeslieTobacco Plug Extractortobacco machinery
401,968Apr. 23, 1889J. Richards, J. WalkerMachine for driving mandrels, keys, &c.
414,615Nov. 05, 1889J. WalkerTension Registering Wrenchtorque wrenches
449,392Mar. 31, 1891J. WalkerLathe and Planer Attachmentmetal lathe accessories
496,676May 02, 1893J. WalkerGear-cutting machinegear making machines
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