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Patents for W. H. Cotton
Patents 1 - 4 of 4
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
695,661Mar. 18, 1902A.K. TheibaultCaliper Gage
  725,019Apr. 14, 1903J. ArmstrongTool Holder
  745,758Dec. 01, 1903J. Armstrong, S. WelterSlotting Machine Tool Holder
884,751Apr. 14, 1908C.W. Birchwood, G.B. McBeanRepair Tool
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