Patents by Inventor Nancy Carolyn Drake

Nancy Carolyn Drake 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).

  • Disinfectant cartridge
    Patent number: D453373
    Type: Grant
    Filed: December 12, 2000
    Date of Patent: February 5, 2002
    Assignee: Water Pik, Inc.
    Inventors: Nancy Carolyn Drake, Brian M. Clemens, A. Christine Gilbert
  • Disinfectant center
    Patent number: D456246
    Type: Grant
    Filed: December 12, 2000
    Date of Patent: April 30, 2002
    Assignee: Water Pik, Inc.
    Inventors: Nancy Carolyn Drake, Brian M. Clemens, A. Christine Gilbert