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| Patents for J. A. Fairgrieve | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 542,043 | Jul. 02, 1895 | J.A. Charter | Governor for Gas Engines | |
 | 552,325 | Dec. 31, 1895 | F. Mossberg | Wrench | |
 | 582,620 | May 18, 1897 | J.A. Charter | Gas Engine | |