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| Patents for Roy D. Tolman | |||||
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| Number | Date | Patentee | Title | Type | |
| 833,770 | Oct. 23, 1906 | G.L. Brownell | Feeding Mechanism for Metal-Working Machines | stock feeding apparatus | |
| 844,653 | Feb. 19, 1907 | C. Berry | Belt Shipping Mechanism | industrial machine pulleys and belt drive mechanisms | |