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Patents for Russell B. Tewksbury
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  1,082,282Dec. 23, 1913H.W. Oster, R.B. TewksburyDie-stock
1,132,486Mar. 16, 1915H.W. OsterTire holder and lock
1,361,400Dec. 07, 1920R.B. Tewksbury, H.W. OsterDiestock
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