Patents by Inventor Thomas E. Hollow

Thomas E. Hollow 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).

  • Intrusion deterrent apparatus
    Patent number: 4996521
    Abstract: An intrusion deterrent apparatus which activates a water spraying device in a specific area to prevent unauthorized activities within that area such as the application of graffiti. Connected with the water spraying device is a sensor that detects the presence of an animal. The water spraying device is to be activated for a preset period of time.
    Type: Grant
    Filed: December 20, 1989
    Date of Patent: February 26, 1991
    Inventor: Thomas E. Hollow