Patents by Inventor Michael Bisak

Michael Bisak 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).

  • Security device
    Patent number: 5021779
    Abstract: A security device for an electrical appliance which derives input from an electrically connected external source, the device comprising a receiver-decoder which is adapted and arranged to allow the appliance to operate in its normal mode when the receiver-decoder receives a predetermined code carried via the external source and not to allow the appliance to operate in its normal mode when the predetermined code is not received.
    Type: Grant
    Filed: April 27, 1989
    Date of Patent: June 4, 1991
    Assignees: Michael Bisak, Jeffrey Dunn, Walter Cole
    Inventor: Michael Bisak