Patents by Inventor Debra K. Diaz

Debra K. Diaz 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).

  • Hair extension
    Patent number: D447286
    Type: Grant
    Filed: October 24, 2000
    Date of Patent: August 28, 2001
    Inventor: Debra K. Diaz
  • Hair extension
    Patent number: D433774
    Type: Grant
    Filed: July 19, 1999
    Date of Patent: November 14, 2000
    Assignee: Debra K. Diaz
    Inventor: Debra K. Diaz