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| All Patents in class 140/86 | |||||
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| Number | Date | Patentee | Title | Type | |
| 161,755 | Apr. 06, 1875 | W.R. Clough | Improvement in wire corkscrews | cork easers | |
| 659,649 | Oct. 16, 1900 | W.R. Clough | Machine for making corkscrew | cork easers | |