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| All Patents in class 222/525 | |||||
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| Number | Date | Patentee | Title | Type | |
| 100,697 | Mar. 08, 1870 | A. Weed | Self-closing auger stop-cocks | faucets | |
| 434,723 | Aug. 19, 1890 | F.H. Richards | Regulator for Grain Weighers | grain scales | |