Patents by Inventor Lawrence O. Williamson

Lawrence O. Williamson 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).

  • Tire tread
    Patent number: D601083
    Type: Grant
    Filed: March 23, 2009
    Date of Patent: September 29, 2009
    Assignee: Michelin Recherche et Technique S.A.
    Inventors: Lawrence O. Williamson, Lee A. Montgomery, Daniel McEachern Hicks
  • Tire tread
    Patent number: D603329
    Type: Grant
    Filed: June 27, 2007
    Date of Patent: November 3, 2009
    Assignee: Michelin Recherche et Technique S.A.
    Inventors: Lawrence O. Williamson, William R. Hudek
  • Tire tread
    Patent number: D606485
    Type: Grant
    Filed: February 26, 2008
    Date of Patent: December 22, 2009
    Assignee: Michelin Recherche et Technique SA
    Inventors: Lawrence O. Williamson, William R. Hudek, Lee A. Montgomery
  • Tire tread
    Patent number: D606931
    Type: Grant
    Filed: February 5, 2008
    Date of Patent: December 29, 2009
    Assignee: Michelin Recherche et Techniques SA
    Inventors: Robert C. Radulescu, Lawrence O. Williamson, Lee A. Montgomery
  • Tire tread
    Patent number: D615027
    Type: Grant
    Filed: September 30, 2008
    Date of Patent: May 4, 2010
    Assignee: Michelin Recherche et Technique
    Inventors: Lawrence O. Williamson, Lee A. Montgomery