Patents by Inventor Wilbur R. Eriksen

Wilbur R. Eriksen 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).

  • Disposable sobriety tester
    Patent number: 4492673
    Abstract: A small, unitary, disposable sobriety self-tester of the balloon type in which a mouthpiece and a chemical indicator tube are permanently mounted on one side of an apertured base plate whose other side opens into a balloon sealed to the base plate. The mouthpiece and indicator tube may be sealed and filled with an inert gas so as to avoid the need for desiccants in the system, and thereby improve its ease of operation.
    Type: Grant
    Filed: September 2, 1983
    Date of Patent: January 8, 1985
    Assignee: Sobryco, Inc.
    Inventors: Wilbur R. Eriksen, Harry E. Payne, Jr.