Patents by Inventor Ronald Charles Mathews

Ronald Charles Mathews 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).

  • Putting aid
    Patent number: 8529366
    Abstract: A putting aid which includes a base plate, guide rails attached to the base plate, which are spaced apart to form a guide passage for a putting stroke, and markers which are engaged with guide rails, each marker being engageable with the ground at a defined position, wherein the base plate and the guide rails are movable leaving the markers at the defined positions.
    Type: Grant
    Filed: January 11, 2013
    Date of Patent: September 10, 2013
    Assignee: Greenactive Golf (PTY) Ltd (ZA)
    Inventors: Lloyd Anthony Butler, Ronald Charles Mathews, Brian Steinhobel
  • Putting aid
    Patent number: D706371
    Type: Grant
    Filed: January 24, 2013
    Date of Patent: June 3, 2014
    Assignee: Greenactive Golf (Pty) Ltd
    Inventors: Lloyd Anthony Butler, Ronald Charles Mathews, Brian Steinhobel