Patents by Inventor Clyde R. Williams

Clyde R. Williams 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).

  • Manually-operated, water-powered digging tool
    Patent number: 6564880
    Abstract: A manually-operated, water-powered digging tool which does not utilize a pressure gauge, and a process for digging holes with such tool.
    Type: Grant
    Filed: April 27, 2001
    Date of Patent: May 20, 2003
    Assignee: Williams Die & Mold, Inc.
    Inventors: Clyde R. Williams, David M. Guinee
  • Manually-operated, water-powered digging tool
    Publication number: 20020062584
    Abstract: A manually-operated, water-powered digging tool which does not utilize a pressure gauge, and a process for digging holes with such tool.
    Type: Application
    Filed: April 27, 2001
    Publication date: May 30, 2002
    Inventors: Clyde R. Williams, David M. Guinee