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| Patents Granted on 1825-07-20 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,165X | Jul. 20, 1825 | A. Miner | Making keelers or pans for holding milk | ||
| 4,166X | Jul. 20, 1825 | S. Marsh | Machine for napping cloth | ||
| 4,167X | Jul. 20, 1825 | T. Showerman | Construction of cider mills | cider mills | |
| 4,168X | Jul. 20, 1825 | S. Gore | Strap auger | auger bits | |
| 4,169X | Jul. 20, 1825 | W. Barker | Making salt from sea water and saline springs | ||