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| All Patents in class 261/DIG.45 | |||||
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| Number | Date | Patentee | Title | Type | |
| 673,160 | Apr. 30, 1901 | R. Diesel | Method of Igniting and Regulating Combustion for Internal Combustion Engines | diesel engines | |
| 1,436,690 | Nov. 28, 1922 | J.A. Secor | Process of Preparing an Explosive Mixture for Internal Combustion Engines | vaporizers | |
| 1,480,959 | Jan. 15, 1924 | J.A. Secor | Reatomizer | carburetors | |