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| Patents for E. H. Ashcroft Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 22,157 | Nov. 30, 1858 | J.R. Brown | Pipe-Tongs | pipe tongs | |
| 79,724 | Jul. 07, 1868 | J.R. Brown | Improvement in Pipe-Tongs | pipe tongs | |