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| Patents for J. A. Fairgrieve | |||||
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| Number | Date | Patentee | Title | Type | |
| 542,043 | Jul. 02, 1895 | J.A. Charter | Governor for Gas Engines | internal combustion engine governors | |
| 552,325 | Dec. 31, 1895 | F. Mossberg | Wrench | bicycle or pocket wrenches | |
| 582,620 | May 18, 1897 | J.A. Charter | Gas Engine | internal combustion engines | |