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Patents for John Wilson Brown Jr.
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
518,176Apr. 10, 1894J.W. Brown, Jr.Drilling-machine
  579,357Mar. 23, 1897J.W. Brown, Jr.Automatic Chucking Lathe
  610,319Sep. 06, 1898J.W. Brown, Jr.Double Turret Lathe
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