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Patents for W. E. Chadbourne
Patents 1 - 2 of 2
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PictureNumberDatePatenteeTitle
  954,712Apr. 12, 1910C.W. Blood, C.G. OstemanCutter-head setting and gaging device and stand
  1,166,408Dec. 28, 1915C.W. BloodSelf-centering support for rotary heads
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