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| Patents for G. H. Walmsley | |||||
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| Number | Date | Patentee | Title | Type | |
| 675,023 | May 28, 1901 | T.E. Smythe | Pipe Wrench | pipe wrenches | |
| 680,285 | Aug. 13, 1901 | T.E. Smythe | Pipe-Wrench | pipe wrenches | |