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| Patents for G. A. Watts | |||||
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| Number | Date | Patentee | Title | Type | |
| 330,361 | Nov. 10, 1885 | J. Young | Cut-off gear for steam-engines | steam engine valve gear | |
| 587,168 | Jul. 27, 1897 | J. Young | Valve connection for steam-engines | steam engine valve gear | |