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Patents for Charles P. Russell | |||||
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Number | Date | Patentee | Title | Type | |
CA-1,765 | Nov. 12, 1872 | J.J. Grant | Die for cutting screw threads | tap wrenches and die stocks | |
303,053 | Aug. 05, 1884 | C.P. Russell | Combined Drill and Countersink | countersinks | |
442,827 | Dec. 16, 1890 | C.P. Russell | Screw-cutting die | taps and dies | |
442,828 | Dec. 16, 1890 | C.P. Russell | Screw-cutting die | taps and dies | |
537,719 | Apr. 16, 1895 | C.P. Russell | Post Drill | drill presses |