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| All Patents in class 123/53.5 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 435,637 | Sep. 02, 1890 | L.V. Goebbels, P.A. Winand | Gas and Hydrocarbon Engine | ||
| 600,971 | Mar. 22, 1898 | P.E. Singer | Internal Combustion or Detonating Engine | ||
| 637,298 | Nov. 21, 1899 | G.S. Strong | Gas Engine | ||
| 637,450 | Nov. 21, 1899 | J.B. Doolittle | Gasolene Engine | ||