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| All Patents in class 74/502.5 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 571,869 | Nov. 24, 1896 | N. Stow | Flexible shaft | |
 | 609,570 | Aug. 23, 1898 | E.M. Bowden | Mechanism for transmitting motion or power | |