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| All Patents in class 222/450 | |||||
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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 | |
| 1,705,885 | Mar. 19, 1929 | F.N. Whitesell | Automatic Feeder | conveyors and hoppers | |