Patents by Inventor Ann K. Fritz

Ann K. Fritz 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).

  • Combined letter opener and magnifying glass
    Patent number: D252973
    Type: Grant
    Filed: December 23, 1977
    Date of Patent: September 25, 1979
    Assignee: Dart Industries, Inc.
    Inventors: Robert F. Bateman, Ann K. Fritz
  • Combined clip and holder or the like
    Patent number: D253091
    Type: Grant
    Filed: May 10, 1978
    Date of Patent: October 9, 1979
    Assignee: Dart Industries Inc.
    Inventor: Ann K. Fritz
  • Pastry sheet or the like
    Patent number: D253449
    Type: Grant
    Filed: October 25, 1977
    Date of Patent: November 20, 1979
    Assignee: Dart Industries Inc.
    Inventor: Ann K. Fritz
  • Protective sheet for house plant husbandry
    Patent number: D255411
    Type: Grant
    Filed: May 10, 1978
    Date of Patent: June 17, 1980
    Assignee: Dart Industries Inc.
    Inventors: James B. Swett, Robert F. Bateman, Ann K. Fritz
  • Rack or the like
    Patent number: D262337
    Type: Grant
    Filed: September 12, 1979
    Date of Patent: December 22, 1981
    Assignee: Dart Industries, Inc.
    Inventors: Robert F. Bateman, Ann K. Fritz, Rino Conti
  • Pastry sheet or the like
    Patent number: D264794
    Type: Grant
    Filed: June 24, 1980
    Date of Patent: June 8, 1982
    Assignee: Dart Industries Inc.
    Inventors: Ann K. Fritz, Peggy J. Bridges
  • Pitcher or the like
    Patent number: D270602
    Type: Grant
    Filed: June 12, 1981
    Date of Patent: September 20, 1983
    Assignee: Dart Industries Inc.
    Inventor: Ann K. Fritz