Patents by Inventor Edward J. Matthews

Edward J. Matthews 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).

  • Auto anti-theft system
    Patent number: 5280268
    Abstract: A vehicle security system has a combination lock type switch which controls engine starting and at least one other critical engine function; activates an alarm; and which causes an incapacitating substance, such as tear gas, to be introduced to the vehicle interior. The combination lock type switch controls appropriate solenoid valves and switches to accomplish the above purposes. This combination switch, a replenishing port, and a visible alarm are the only visible components. The remaining components are concealed behind the dashboard or beneath the floor of the vehicle.
    Type: Grant
    Filed: May 15, 1992
    Date of Patent: January 18, 1994
    Inventor: Edward J. Matthews