Patents by Inventor Janet H. Merrill

Janet H. Merrill 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).

  • Gum brush
    Patent number: D341254
    Type: Grant
    Filed: April 23, 1990
    Date of Patent: November 16, 1993
    Inventors: Beverley G. Knox, Janet H. Merrill, James E. Morissey, Rodney D. Cole
  • Nit comb
    Patent number: D353225
    Type: Grant
    Filed: August 7, 1991
    Date of Patent: December 6, 1994
    Assignee: Pfizer Inc.
    Inventors: William T. Doran, Janet H. Merrill, Athanasios S. Ladas