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| Patents Granted on 1845-02-12 | |||||
| Number | Date | Patentee | Title | Type | |
| AI73 | Feb. 12, 1845 | H. Haynes | Rake | hay or straw rakes | |
| 3,914 | Feb. 12, 1845 | S. Whipple | Machine for cutting files | making files | |