Patents by Inventor Gerald Matuszewski

Gerald Matuszewski 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).

  • Dual source rechargeable battery
    Patent number: 4922178
    Abstract: A rechargeable battery assembly for a hand-held radio is disclosed. The battery assembly has electrical terminals through which the battery may supply energy and be charged. Further, the battery assembly has retractable plug prongs through which the battery may be charged from a conventional 120VAC receptacle. Provision is made to prevent hazardous voltages and currents from being present at the battery electrical terminals.
    Type: Grant
    Filed: August 31, 1987
    Date of Patent: May 1, 1990
    Assignee: Motorola, Inc.
    Inventors: Gerald Matuszewski, William J. Mashek
  • Cover accessory for cellular telephones and similar articles
    Patent number: D460755
    Type: Grant
    Filed: November 20, 2001
    Date of Patent: July 23, 2002
    Assignee: Motorola, Inc.
    Inventors: James S. Cleary, Gerald Matuszewski