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| Patents for Alex. L. Hayes | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 410,129 | Aug. 27, 1889 | T.F. Wells | Power Wrench | |
 | 429,075 | May 27, 1890 | W. Wells | Improvement in Wrenches For Fish-Plate Bolts | |