Patents by Inventor Thomas F. Vondrak

Thomas F. Vondrak 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).

  • Patent number: 5588041
    Abstract: A cellular speakerphone (100) includes a housing (101) containing a transceiver circuit (203), a processor and switching circuit (205), a coupler (209), and a hands-free user interface (207). The processor and switching circuit (205) and the hands-free user interface (207) operate the cellular speakerphone (100) in a default hands-free mode that is automatically interruptable to permit the cellular speakerphone (100) to operate in a handset mode when an optional handset (127) is operably coupled to the cellular speakerphone (100) via the coupler (209).
    Type: Grant
    Filed: January 5, 1995
    Date of Patent: December 24, 1996
    Assignee: Motorola, Inc.
    Inventors: George W. Meyer, Jr., Allen Wong, John H. Spears, David L. Bond, Thomas F. Vondrak
  • Patent number: D377934
    Type: Grant
    Filed: January 5, 1995
    Date of Patent: February 11, 1997
    Assignee: Motorola, Inc.
    Inventors: Thomas F. Vondrak, Daniel L. Williams
  • Patent number: D390221
    Type: Grant
    Filed: August 21, 1996
    Date of Patent: February 3, 1998
    Assignee: Motorola, Inc.
    Inventors: Phillip Edward Lindeman, Steven M. Mina, Thomas F. Vondrak, Thomas E. Paulick
  • Patent number: D400526
    Type: Grant
    Filed: September 9, 1997
    Date of Patent: November 3, 1998
    Assignee: Motorola, Inc.
    Inventors: Phillip Edward Lindeman, Steven M. Mina, Thomas F. Vondrak, Thomas E. Paulick