Patents by Inventor Ryan J. A. Ritchie

Ryan J. A. Ritchie 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).

  • Golf club head
    Patent number: D591381
    Type: Grant
    Filed: December 3, 2008
    Date of Patent: April 28, 2009
    Assignee: Roger Cleveland Golf Co., Inc.
    Inventors: Robert J. Horacek, Samuel G. Lacey, Nathaniel J. Radcliffe, John J. Rae, Ryan J. A. Ritchie