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| Patents for Ball Bearing Wrench Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 549,221 | Nov. 05, 1895 | M. Wenger | Wrench | screw adjust wrenches | |
| 572,185 | Dec. 01, 1896 | M. Wenger | Wrench | quick adjust wrenches | |