Patents by Inventor Louis H. Mangan

Louis H. Mangan 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).

  • Ornamental article
    Patent number: 5006375
    Abstract: An ornamental object comprising a transparent housing shaped into a decorative configuration and having a liquid therein and a sub-atmospheric pressure area between the liquid and the housing whereby ambient air temperatures will cause the liquid to boil; and wherein particles and/or larger solid objects may be placed within the liquid to be agitated by the boiling action of the liquid.
    Type: Grant
    Filed: January 26, 1990
    Date of Patent: April 9, 1991
    Inventor: Louis H. Mangan