Patents by Inventor Walter Joswick

Walter Joswick 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: 4567516
    Abstract: This disclosure is concerned with a limited time operative decoder for special scrambled television program transmissions involving a voltage source for energizing the decoder of limited time effectiveness adapted to energize the decoder only during the limited time of the special scrambled television program.
    Type: Grant
    Filed: August 30, 1982
    Date of Patent: January 28, 1986
    Assignee: Blonder-Tongue Laboratories, Inc.
    Inventors: George Scherer, Walter Joswick, Isaac S. Blonder