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| Patents for Charles Burr | |||||
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| Number | Date | Patentee | Title | Type | |
| 35,950 | Jul. 22, 1862 | H.F. Read | Improved Pipe-Wrench for Screwing and Unscrewing Metal Pipes | pipe wrenches | |
| 78,052 | May 19, 1868 | I.S. Bunnell | Corn Husker | corn huskers | |