Patents by Inventor Lee A. McMannis

Lee A. McMannis 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 having sidewall extensions at opposite ends of each tread element
    Patent number: 6533007
    Abstract: An off-road tire has sidewall tread element extensions with steps that provide gripping action and support around the sidewall, and enable the tire to climb the sides of rocks and ruts. The steps are located at different distances from the tire rotational axis and from the tire tread centerline.
    Type: Grant
    Filed: March 2, 2000
    Date of Patent: March 18, 2003
    Inventor: Lee A. McMannis
  • Tire
    Patent number: D440913
    Type: Grant
    Filed: March 2, 2000
    Date of Patent: April 24, 2001
    Assignee: Max-Trac Tire Co., Inc.
    Inventor: Lee A. McMannis