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| All Patents in class 261/53 | |||||
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| Number | Date | Patentee | Title | Type | |
| 423,214 | Mar. 11, 1890 | E. Butler | Hydrocarbon Motor | ||
| 583,982 | Jun. 08, 1897 | W.F. Davis | Gasolene and Gas Engine | ||
| 1,224,612 | May 01, 1917 | D.P. Davies | Mixer or Cabureter for Internal Combustion Engines | carburetors | |