Patents by Inventor Maurice E. Fitzgerald

Maurice E. Fitzgerald 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).

  • Battery element and battery incorporating polar polymer system
    Patent number: 4708918
    Abstract: A battery element useful as at least a portion of the positive plates in a lead-acid battery comprises: an acid resistant substrate at least partially coated with an electrically conductive coating; and a fluid impervious matrix layer having mutually opposing first and second surfaces situated such that at least a portion of the coated substrate is embedded in the matrix layer which comprises polymer having increased polarity relative to polypropylene. This battery element may also be used in the bipolar plates of a lead-acid battery.
    Type: Grant
    Filed: March 24, 1986
    Date of Patent: November 24, 1987
    Assignee: Ensci, Inc.
    Inventors: Maurice E. Fitzgerald, David M. Braunstein, Saulius A. Alkaitis, Naum Pinsky