Patents by Inventor Louis J. Kiwak

Louis J. Kiwak 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).

  • Headset ear seal
    Patent number: 5911314
    Abstract: An earcup assembly is disclosed for use in a headset. The earcup assembly includes an earseal ring that includes an outer peripheral surface, an inner peripheral surface that provides an opening an annular base surface for securing the earseal to the headset, and an annular exposed surface opposite the base surface. The inner surface includes a first portion adjacent the exposed surface that provides a first peripheral distance around the opening and the inner surface further includes a second portion adjacent the base surface that provides a second peripheral distance around the opening. The second distance is larger than the first distance.
    Type: Grant
    Filed: March 31, 1998
    Date of Patent: June 15, 1999
    Assignee: David Clark Company Inc.
    Inventors: Richard M. Urella, Robert E. Dalbec, Louis J. Kiwak