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All Patents in class 290/38R | |||||
Number | Date | Patentee | Title | Type | |
1,397,277 | Nov. 15, 1921 | V.A. Fynn | Ignition-switch | ||
1,776,683 | Sep. 23, 1930 | E.T. Larkin | Automatic Controlling System for Internal Combustion Engines | engine control apparatus |