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Patents for Hope Barnes (executrix)
Patents 1 - 2 of 2
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PictureNumberDatePatenteeTitle
2,030,562Feb. 11, 1936P.R. Guirl, H. Barnes (executrix), J.S. Barnes (deceased, estate of)Metal Working Apparatus
  2,114,284Apr. 19, 1938H. Barnes (executrix), E.J. Svenson, P.R. Guirl, J.S. Barnes (deceased, estate of)Machine Tool and Control Therefor
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