Patents by Inventor Lester Wayne Doyle

Lester Wayne Doyle 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).

  • Specimen cassette
    Patent number: D448487
    Type: Grant
    Filed: October 10, 1997
    Date of Patent: September 25, 2001
    Assignee: Sakura Finetek U.S.A., Inc.
    Inventors: Carlos Saez, Lester Wayne Doyle, Ronald C. Mathia