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| All Patents in class 123/65W | |||||
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| Number | Date | Patentee | Title | Type | |
| 322,477 | Jul. 21, 1885 | J.F. Place | Gas Engine | gas and gasoline engines | |
| 1,665,607 | Apr. 10, 1928 | C.E. Sargent | Internal Combustion Engine | internal combustion engines | |