Patents by Inventor Kathleen C. Isham

Kathleen C. Isham 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: D321424
    Type: Grant
    Filed: March 31, 1989
    Date of Patent: November 5, 1991
    Inventor: Kathleen C. Isham