Patents by Inventor Oliver E. Day

Oliver E. Day has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Twin ignition and twin electrical start system for a vehicle
    Patent number: 4082992
    Abstract: A circuit arrangement for a vehicle or the like which permits either the vehicle battery or the battery of a camper connected to the vehicle to be selectively used for the ignition voltage of the vehicle engine or for the accessory voltage and which permits either the vehicle battery or the camper battery, or both of these batteries connected in parallel, to be used for energizing the starter motor of the vehicle engine.
    Type: Grant
    Filed: January 18, 1977
    Date of Patent: April 4, 1978
    Inventor: Oliver E. Day
  • Dual battery ignition and start system for a vehicle
    Patent number: 3949289
    Abstract: A circuit arrangement for a vehicle or the like which permits either the vehicle battery or the battery of a camper connected to the vehicle to be selectively used for the ignition voltage of the vehicle engine and which permits either the vehicle battery or the camper battery, or both of these batteries connected in parallel to be used for the starter motor of the vehicle engine.
    Type: Grant
    Filed: July 25, 1974
    Date of Patent: April 6, 1976
    Inventor: Oliver E. Day