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| Patents for W. H. Todhunter | |||||
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| Number | Date | Patentee | Title | Type | |
| 394,729 | Dec. 18, 1888 | C.W. Shartle | Slip-collar for pulleys | industrial machine pulleys and belt drive mechanisms | |
| 411,620 | Sep. 24, 1889 | C.W. Shartle | Lathe-dog | lathe dogs | |