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Patents for James F Hall | |||||
Number | Date | Patentee | Title | Type | |
113,656 | Apr. 11, 1871 | W.P. Harwood | Impovement in Vises | bench vises | |
211,993 | Feb. 04, 1879 | J.F. Hall | Improvement in Pipe Gripes for Vises | vises |