Patents by Inventor Dale W. Roberts

Dale W. Roberts 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).

  • Freeze buster
    Patent number: 5220937
    Abstract: A water freeze prevention device is provided and includes a mechanism that is installed between a water meter and incoming water pipes to drain the water pipes to prevent the water pipes from freezing during severe cold weather conditions.
    Type: Grant
    Filed: November 25, 1991
    Date of Patent: June 22, 1993
    Inventors: Dale W. Roberts, George Spector