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| Patents for James Orr | |||||
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| Number | Date | Patentee | Title | Type | |
| 8,922 | May 04, 1852 | A. Hotchkiss | Adjustable Screw-Slide Wrench | screw adjust wrenches | |
| 19,861 | Apr. 06, 1858 | E.M. Davis, S. Marson | Vise-Anvil for repairing T-rails | ||