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| Patents for Brock Wrench Co. | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 375,119 | Dec. 20, 1887 | W.H. Brock | Chain Wrench | |
![]() | 411,575 | Sep. 24, 1889 | W.H. Brock | Chain | |
![]() | 542,922 | Jul. 16, 1895 | W.H. Brock | Flange Wrench | |