Patents by Inventor Laurie J. Stevens

Laurie J. Stevens 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).

  • Patent number: D436068
    Type: Grant
    Filed: December 28, 1999
    Date of Patent: January 9, 2001
    Assignee: Quaker State Investment Corporation
    Inventor: Laurie J. Stevens
  • Patent number: D447455
    Type: Grant
    Filed: December 28, 1999
    Date of Patent: September 4, 2001
    Assignee: Quaker State Investment Corporation
    Inventor: Laurie J. Stevens
  • Patent number: D429671
    Type: Grant
    Filed: December 28, 1999
    Date of Patent: August 22, 2000
    Assignee: Quaker State Investment Corporation
    Inventor: Laurie J. Stevens