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Patents for Alfred N. Russell | |||||
Number | Date | Patentee | Title | Type | |
1,016,751 | Feb. 06, 1912 | A.B. Landis | Grinding-machine | grinders | |
1,017,878 | Feb. 20, 1912 | A.B. Landis | Bolt-threading machine | screw machines | |
1,018,395 | Feb. 20, 1912 | A.B. Landis | Grinding-machine | grinders | |
1,327,007 | Jan. 06, 1920 | G.A. Anderson | Cutter-head | pipe threading machines | |
1,327,008 | Jan. 06, 1920 | G.A. Anderson | Cutter-head | pipe threading machines |