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| All Patents in class 222/205 | |||||
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| Number | Date | Patentee | Title | Type | |
| 56,609 | Jul. 24, 1866 | T.T. Prosser | Boiler for culinary purposes | cooking boilers | |
| 1,361,007 | Dec. 07, 1920 | N.E. Brown | Center cleaning and oiling device | industrial machine lubrication | |