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| Patents for Neverslip Manufacturing Company | |||||
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| Picture | Number | Date | Patentee | Title | |
 | D27,542 | Aug. 17, 1897 | R. Whitaker | Horseshoe Calk | |
 | 588,438 | Aug. 17, 1897 | R. Whitaker, J.W. Johnson | Wrench | |