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| Patents for Walter James Hamblin | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,104,730 | Jul. 21, 1914 | W.J. Hamblin | Instantaneous Grip Chain Wrench | chain and strap wrenches | |
| CA-163,522 | Jun. 29, 1915 | W.J. Hamblin | Improvements in Pipe Wrenches | chain and strap wrenches | |