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Patents for Charles S. Hisey
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  514,713Feb. 13, 1894C.S. HiseyGas Engine
712,537Nov. 04, 1902C.S. HiseyElectric grinding device
752,223Feb. 16, 1904C.S. HiseyVariable-speed mechanism
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