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| Patents for Richardson Manufacturing Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 111,314 | Jan. 31, 1871 | E.W. Bullard | Hay Tedder | hay or straw spinners | |
| 196,380 | Oct. 23, 1877 | C.A. Parker | Blacksmith's Anvil Vise | anvil vises | |
| CA-8,442 | Feb. 23, 1878 | C.A. Parker | Improvements on combined anvils and vises | anvil vises | |