Patents Represented by Attorney Frank J. Axa

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  • Battery element containing porous particles
    Patent number: 5549990
    Abstract: A battery element comprising a porous substrate optionally having a coating of electrically conductive tin oxide on at least a portion of all three dimensions thereof. The porous substrate is useful in the positive active material of lead acid batteries.
    Type: Grant
    Filed: August 19, 1994
    Date of Patent: August 27, 1996
    Assignee: Ensci Inc
    Inventors: Thomas J. Clough, Victor L. Grosvenor, Naum Pinsky
  • Gas separation process
    Patent number: 5264012
    Abstract: A porous membrane comprising a porous substrate and a tin oxide-containing material in contact with at least a portion of the porous substrate.
    Type: Grant
    Filed: September 11, 1992
    Date of Patent: November 23, 1993
    Assignee: Ensci Inc.
    Inventors: Thomas J. Clough, Victor L. Grosvenor, Naum Pinsky