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Patents Granted on 1879-04-22
Patents 1 - 6 of 6
First set of recordsLast set of records
214,490Apr. 22, 1879G. ChallonerImprovement in shingle-sawing machinesshingle machines
214,494Apr. 22, 1879G.S. DerrImprovement in bench-kniveswork holding
214,652Apr. 22, 1879F. HansonLathewood lathes
214,672Apr. 22, 1879D.C. LockwoodWooden-ring lathewood lathes
214,697Apr. 22, 1879P. PepplerPipe-Wrench Attachmentspipe jaw attachments for wrenches
214,725Apr. 22, 1879P.B. SmithImprovement in machines for dressing boxesbox making machines
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