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| Patents for Walden Mfg. | |||||
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| Number | Date | Patentee | Title | Type | |
| 928,719 | Jul. 20, 1909 | F.E. Walden | Ratchet Wrench | ratchet wrenches | |
| 1,281,484 | Oct. 15, 1918 | W.S. Bellows | Ratchet Wrench | ratchet wrenches | |