Patents by Inventor Deborah A. Grofcsik

Deborah A. Grofcsik 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).

  • Dental floss holder
    Patent number: D374311
    Type: Grant
    Filed: July 21, 1995
    Date of Patent: October 1, 1996
    Assignee: W. L. Gore & Associates, Inc.
    Inventors: John W. Dolan, John W. Spencer, Jr., Deborah A. Grofcsik, David D. McClanahan
  • Floss holder
    Patent number: D374744
    Type: Grant
    Filed: April 25, 1995
    Date of Patent: October 15, 1996
    Assignee: W. L. Gore & Associates, Inc.
    Inventors: John W. Dolan, John W. Spencer, Jr., Deborah A. Grofcsik
  • Dental floss holder
    Patent number: D424748
    Type: Grant
    Filed: May 6, 1999
    Date of Patent: May 9, 2000
    Assignee: W. L. Gore & Associates, Inc.
    Inventors: John Dolan, Deborah A. Grofcsik, David McClanahan