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Patents for Hope Barnes (executrix)
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
2,030,562Feb. 11, 1936P.R. Guirl, H. Barnes (executrix), J.S. Barnes (deceased, estate of)Metal Working Apparatuspipe cutting machines
2,114,284Apr. 19, 1938H. Barnes (executrix), E.J. Svenson, P.R. Guirl, J.S. Barnes (deceased, estate of)Machine Tool and Control Thereformachine tool controls
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