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| All Patents in class 60/310 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 583,600 | Jun. 01, 1897 | G. Langen | Means for Obviating Smell of Internal Combustion Engines | ||
| 666,260 | Jan. 22, 1901 | L.F. Burger | Gas Engine | ||
| 799,013 | Sep. 05, 1905 | E.R. Moffitt | Muffler | ||
| 1,096,583 | May 12, 1914 | A. Winton | Muffling System for Explosion Engines | ||