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Patents for N. E. Dwinnell
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
267,290Nov. 07, 1882O.D. WarfieldCalipers
275,860Apr. 17, 1883E.E. RoseBit-brace fastening
287,589Oct. 30, 1883J. StevensCutting Nippers
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