Patents by Inventor P. J. Gargulak

P. J. Gargulak 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).

  • Portable radiotelephone with control switch disabling
    Patent number: 4845772
    Abstract: A portable radiotelephone with control switch disabling is disclosed. A flip element which contains a microphone and covers a keypad and other control buttons when in a closed position also activates a hookswitch. When the hookswitch and microprocessor indicate that the flip element is in a closed position, the on/off switch cannot be activated to turn the portable radiotelephone on or off and switches which control volume level are deactivated.
    Type: Grant
    Filed: June 13, 1988
    Date of Patent: July 4, 1989
    Assignee: Motorola, Inc.
    Inventors: Michael P. Metroka, Scott B. Davis, P. J. Gargulak