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| All Patents in class 141/279 | |||||
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| Number | Date | Patentee | Title | Type | |
| 922,571 | May 25, 1909 | B. Gallagher | Machine for filling bottles | ||
| 3,777,788 | Dec. 11, 1973 | M.R. Estabrook | Cyclone separator | separators | |