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| All Patents in class 222/25 | |||||
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| Number | Date | Patentee | Title | Type | |
| 134,524 | Jan. 07, 1873 | J. Dawson | Apparatus for the Production of Spirits and the Prevention of Frauds Upon the Revenue | distilling apparatus | |
| 984,780 | Feb. 21, 1911 | A. Savage | Alarm feed-regulator and speed-indicator | grist mills | |