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| All Patents in class 123/41.66 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 550,675 | Dec. 03, 1895 | O. Colborne | Gas or Vapor Engine | ||
| 680,820 | Aug. 20, 1901 | G.A. Thode | Lubricating Device for Gas Engines | ||
| 1,473,785 | Nov. 13, 1923 | W.W. Gore | Dust Sprayer | ||
| 1,801,086 | Apr. 14, 1931 | A.C. Boock, C.B. Jahnke | Power Plant | ||