Patents by Inventor Leon A. Tuomala

Leon A. Tuomala 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).

  • Patent number: 4283169
    Abstract: A distress and emergency signaling device which takes the form of a base member attached to a conventional photographic flash cube. The flash cube is of the type that does not require any electrical energy from an outside source. A base is attached to the flash cube. Within each base are a plurality of manually movable members with there being a separate member for each flash bulb of the flash cube. Operation of a movable member causes release and movement of a wire to strike a metallic rod connected to a particular flash bulb of the flash cube which causes flashing of the bulb.
    Type: Grant
    Filed: May 18, 1979
    Date of Patent: August 11, 1981
    Inventor: Leon A. Tuomala