Patents by Inventor Ted W. Petersen

Ted W. Petersen 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).

  • Speaker enclosure
    Patent number: 4280586
    Abstract: The invention is an improved enclosure for electronic speakers used in sound reproduction equipment. The enclosure is in the form of a pyramid with the speaker mounted at a precise position within the enclosure to give improved results in sound reproduction. The invention includes associated mountings for support equipment within the enclosure and in relation to the enclosure.
    Type: Grant
    Filed: February 1, 1980
    Date of Patent: July 28, 1981
    Inventor: Ted W. Petersen