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| Patents for H. Fairfield | |||||
| Number | Date | Patentee | Title | Type | |
| 25,288 | Aug. 30, 1859 | J. Sweotsir | Shingle | shingle machines | |
| 529,023 | Nov. 13, 1894 | J.W. Duff | Rotary support for hand drills | ||