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| Patents for Brock Wrench Mfg. Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 483,419 | Sep. 27, 1892 | W.H. Brock | Chain Wrench | chain and strap wrenches | |
| 674,194 | May 14, 1901 | W.H. Brock | Chain Wrench | chain and strap wrenches | |