Patents by Inventor Debra Walker

Debra Walker 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: D417853
    Type: Grant
    Filed: April 1, 1997
    Date of Patent: December 21, 1999
    Inventor: Debra Walker