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Patents for Claude William Harris
Patents 1 - 5 of 5
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
GB-113,003Feb. 07, 1918C.W. HarrisImprovements in the die-heads of screw-cutting machines
FR-495,686Oct. 15, 1919C.W. HarrisRotary die arrangement for threading machines
GB-141,104Mar. 30, 1920C.W. HarrisImprovements in the die-heads of screw-cutting machines
GB-147,292Jul. 19, 1920C.W. HarrisImprovements in the die-heads of screw-cutting machines
FR-513,913Feb. 26, 1921C.W. HarrisImprovements to threading machine die holders
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