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| All Patents in class 261/115 | |||||
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| Number | Date | Patentee | Title | Type | |
| 582,108 | May 04, 1897 | A. Winton | Explosive Engine | internal combustion engines | |
| 1,687,542 | Oct. 16, 1928 | W.H. Carrier | Cooling system | air conditioning apparatus | |