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| Patents for R. F. Hall Mfg. Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| GB-189,316,053 | Jul. 28, 1894 | R.F. Hall | Improvements in and in the Manufacture of Parts of Cycles and their Accesories. | bicycle or pocket wrenches | |
| 595,473 | Dec. 14, 1897 | R.F. Hall | Adjustable Spanner-Wrench | screw adjust wrenches | |