Patents by Inventor Bill Spies

Bill Spies 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: 6147609
    Abstract: A barrier opening security system is provided for use with a barrier having an opening. Also included is a deterrent device mounted on the barrier adjacent to the opening for maintaining the opening unobstructed and further for deterring the passage of a being therethrough upon the actuation thereof.
    Type: Grant
    Filed: December 31, 1998
    Date of Patent: November 14, 2000
    Inventor: Bill Spies