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| All Patents in class 303/76 | |||||
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| Number | Date | Patentee | Title | Type | |
| 675,864 | Jun. 04, 1901 | W.T. Simpson | Automatic Driver Brake Retainer | locomotive air brake apparatus | |
| 1,114,152 | Oct. 20, 1914 | T. Bemis, T.R. Kosier, F. Kosier | Air-brake apparatus | railroad car brakes | |