Patents by Inventor Richard L. MacDonald

Richard L. MacDonald 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).

  • Nozzle for an architectural fountain
    Patent number: 4688720
    Abstract: A nozzle for an architectural fountain which has fixed deflector surfaces that produce a plume divided into well-aerated drops of substantial size.
    Type: Grant
    Filed: April 18, 1986
    Date of Patent: August 25, 1987
    Assignee: Kidde Consumer Durables Corporation
    Inventors: Richard L. MacDonald, Ernst von Winckelmann