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Patents for Arthur C. Watkins
Patents 1 - 4 of 4
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  7,862Dec. 24, 1850J.N. WalkerMill for grinding
9,413Nov. 16, 1852D.H. WiswellRailroad-car seat
15,790Sep. 23, 1856W.P. Wood, S. De VaughanSawing machine
1,874,232Aug. 30, 1932W.F. Groene, L.D. ReedRouting device
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