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| Patents for D. C. Watter | |||||
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| Number | Date | Patentee | Title | Type | |
| 967,899 | Aug. 23, 1910 | W.E. Golden | Wrench | screw adjust wrenches | |
| CA-131,928 | Mar. 28, 1911 | A.D. Baker | Soupape D'Arret | steam valves | |
| 1,008,405 | Nov. 14, 1911 | A.D. Baker | Variable Cut-Off Valve Gear for Engines | steam engine valve gear | |