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| Patents for John Fitch | |||||
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| Number | Date | Patentee | Title | Type | |
| 28X | Aug. 26, 1791 | J. Fitch | Steam engine applied to navigation | steam engines | |
| 21,567 | Sep. 21, 1858 | D.R. Knowles | Machine for Cutting Metal Bars | metal shearing machines | |
| 34,661 | Mar. 11, 1862 | P. Foy | Improvement in Apparatus for Boring and Rifling Cannon | rifling machines | |