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| All Patents in class 123/48B | |||||
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| Picture | Number | Date | Patentee | Title | |
| 379,807 | Mar. 20, 1888 | J. Noble | Gas Engine | ||
| 446,851 | Feb. 24, 1891 | B.H. Coffey | Gas Engine | ||
| 457,020 | Aug. 04, 1891 | H. Williams | Gas Motor Engine | ||
| 668,250 | Feb. 19, 1901 | S.M. Zurawski | Explosive Engine | ||
| 1,174,459 | Mar. 07, 1916 | A.E. Winckler | Explosive Engine | ||
| 1,768,799 | Jul. 01, 1930 | F.D. Stanley | Pump Cylinder | ||