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Patents for Benjamin F. Vickery | |||||
Number | Date | Patentee | Title | Type | |
925,854 | Jun. 22, 1909 | B.F. Vickery | Friction Tool Holder | lathe tool holders and tool posts | |
993,421 | May 30, 1911 | B.F. Vickery | Friction Tool Holder | boring bars |