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Patents for Katherine Holt
Patents 1 - 8 of 8
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
1,035,974Aug. 20, 1912E.N. KraemerValve Spring Releaser and Retainer
1,088,284Feb. 24, 1914H.H. JonesHacksaw-machine
1,091,773Mar. 31, 1914W.S. ShermanEnd-matcher
1,102,695Jul. 07, 1914W.S. ShermanBoring-machine
  1,131,260Mar. 09, 1915A. NydeggerPlaster-mixer
1,147,804Jul. 27, 1915E.N. KraemerValve Spring Remover
1,153,618Sep. 14, 1915J. GoetzArm for milling-machines
  1,271,233Jul. 02, 1918W.S. ShermanSaw Mounting
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