Patents by Inventor David Anthony Kowalczyk

David Anthony Kowalczyk 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).

  • Multiple broadcast channel transmitter arrangment
    Patent number: 5862235
    Abstract: A transmitter includes a plurality of oscillators for transmitting multiple radio frequency (RF) signals simultaneously, from each one of which signals a broadcast radio receiver system can reproduce the transmitted audio information. The transmitter will not only allow a user to listen to a CD or tape player through the radio receiver system but also let the user choose whichever frequency gives the best quality sound by merely tuning the receiver system in the same manner as tuning it to the broadcast radio station signals.
    Type: Grant
    Filed: September 26, 1996
    Date of Patent: January 19, 1999
    Assignee: Thomas Consumer Electronics, Inc.
    Inventor: David Anthony Kowalczyk