Patents by Inventor Marquerite D. Renfrew

Marquerite D. Renfrew 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: D454982
    Type: Grant
    Filed: August 14, 2000
    Date of Patent: March 26, 2002
    Inventor: Marquerite D. Renfrew
  • Patent number: D426921
    Type: Grant
    Filed: August 10, 1999
    Date of Patent: June 20, 2000
    Inventor: Marquerite D. Renfrew
  • Patent number: D434188
    Type: Grant
    Filed: March 2, 2000
    Date of Patent: November 21, 2000
    Inventor: Marquerite D. Renfrew