Patents by Inventor Ronald W. Travis

Ronald W. Travis 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).

  • Birdbath method and apparatus
    Patent number: 6647922
    Abstract: An automatic birdbath filling system (10) and method are provided in which a water control valve (22) is controlled by a water level switch (32). The water level switch (32) and its holder (34) are placed, without the need for fixation devices, into a birdbath (12), thus allowing for existing birdbaths to be easily converted into automatically filling birdbaths.
    Type: Grant
    Filed: August 27, 2002
    Date of Patent: November 18, 2003
    Inventor: Ronald W. Travis