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| Patents for W. A. Loftus | |||||
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| Number | Date | Patentee | Title | Type | |
| 992,350 | May 16, 1911 | W.F. Gould | Balanced Valve | steam engine valves | |
| 1,071,666 | Aug. 26, 1913 | C. Heberer, C. Hansen | Wrench | angle adjustable wrenches | |