Patents for F02P 9 - Electric spark ignition control, not otherwise provided for (1,707)
08/1976
08/17/1976US3974805 Ignition system for an internal combustion engine
08/10/1976US3974412 Spark plug employing both corona discharge and arc discharge and a system employing the same
08/03/1976US3972315 Dual action internal combustion engine ignition system
07/1976
07/06/1976US3967604 Device for preventing an internal combustion engine from revolving at more than the predetermined speed
04/1976
04/27/1976US3952717 Ignition system with adjustable contact breaker current
03/1976
03/02/1976US3941111 Ignition system
02/1976
02/24/1976US3939814 Device for prolonging ignition spark
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