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| Patents for A. S. Gray | |||||
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| Number | Date | Patentee | Title | Type | |
| 622,247 | Apr. 04, 1899 | C.R. Meston | Lubricated bearing | motor bearings | |
| RE11,787 | Nov. 14, 1899 | C.R. Meston | Electric motor | shaded pole induction motors | |
| 686,778 | Nov. 19, 1901 | G.F. Steedman | Relief-governor for air-compressors | compressor relief valves | |