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| All Patents in class 464/6 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 662,730 | Nov. 27, 1900 | A.A. Lazier | Governor for Gas Engines | ||
| 1,834,125 | Dec. 01, 1931 | M.J. Goldberg | Engine Timing Means | ||
 | 2,388,994 | Nov. 13, 1945 | R.E. Phelon | Centrifugal spark control mechanism for flywheel magnetos | |
| 2,699,657 | Jan. 18, 1955 | E.A. Vogel | Spark Advance Control Mechanism | ||