Patents Represented by Attorney Dave Schumaker

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  • Electrochemical cell having improved pressure vent
    Patent number: 5258242
    Abstract: The electrochemical cell of the instant invention includes a case having a gas outlet, one or more positive electrodes positioned within the case, one or more negative electrodes positioned within the case electrode separators positioned between the positive and negative electrodes, electrolyte positioned within the case, and a pressure vent for releasing internal pressure occurring in the case to the surrounding atmosphere.
    Type: Grant
    Filed: February 8, 1993
    Date of Patent: November 2, 1993
    Assignee: Ovonic Battery Company, Inc.
    Inventors: Kevin Dean, Arthur Holland, Donn Fillmore