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Patents for Charles P. Russell
Patents 1 - 5 of 5
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
CA-1,765Nov. 12, 1872J.J. GrantDie for cutting screw threads
303,053Aug. 05, 1884C.P. RussellCombined Drill and Countersink
442,827Dec. 16, 1890C.P. RussellScrew-cutting die
442,828Dec. 16, 1890C.P. RussellScrew-cutting die
537,719Apr. 16, 1895C.P. RussellPost Drill
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