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| All Patents in class 261/44.5 | |||||
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| Number | Date | Patentee | Title | Type | |
| 433,807 | Aug. 05, 1890 | N.A. Otto | Motor Engine Worked by Oil Vapor | oil engines | |
| 549,939 | Nov. 19, 1895 | W. Seck | Marine Hydrocarbon Motor | oil engines | |
| 1,224,612 | May 01, 1917 | D.P. Davies | Mixer or Cabureter for Internal Combustion Engines | carburetors | |
| 1,824,852 | Sep. 29, 1931 | W.H. Weber | Carburetor | carburetors | |
| 1,953,897 | Apr. 03, 1934 | F.W. Hodges | Carburetor | carburetors | |
| 1,981,483 | Nov. 20, 1934 | W.H. Weber | Carburetor | carburetors | |