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| All Patents in class 210/123 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 839,777 | Dec. 25, 1906 | W. Lloyd, S.T. Nicholson, J. Lloyd | Steam-eliminator | ||
| 855,932 | Jun. 04, 1907 | W.E. Bryant | Float Valve for Drain Cock Plugs | ||
 | 1,923,135 | Aug. 22, 1933 | H.L. Allen | Method of Cleaning and Cooling Gas Scrubbing Water and Apparatus Therefor | |