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| Patents for Brock Wrench Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 375,119 | Dec. 20, 1887 | W.H. Brock | Chain Wrench | chain and strap wrenches | |
| 411,575 | Sep. 24, 1889 | W.H. Brock | Chain | chain and strap wrenches | |
| 542,922 | Jul. 16, 1895 | W.H. Brock | Flange Wrench | flange wrenches | |