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| Patents for John Desmond | |||||
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| Picture | Number | Date | Patentee | Title | |
| CA-3,362 | Apr. 27, 1874 | A.L. McMillan, J. Desmond | Piston de Machine a Vapeur | ||
| 326,408 | Sep. 15, 1885 | J. Desmond | Steam Injector | ||
| 536,922 | Apr. 02, 1895 | J. Desmond | Injector | ||
| 683,914 | Oct. 08, 1901 | J. Desmond | Injector | ||
 | 754,547 | Mar. 15, 1904 | J. Desmond | Throttle-Valve | |