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Patents for Henry P. White
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
643,703Feb. 20, 1900H.P. WhiteDrill-grinding machines
684,890Oct. 22, 1901H.P. WhiteDrill-grinder
  697,584Apr. 15, 1902H.P. WhiteDrill-grinding machine
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