Patents by Inventor Christopher J. Callinan

Christopher J. Callinan 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).

  • Handle for flatware
    Patent number: D309696
    Type: Grant
    Filed: December 29, 1987
    Date of Patent: August 7, 1990
    Assignee: Regent Sheffield, Ltd.
    Inventor: Christopher J. Callinan
  • Handle for flatware
    Patent number: D309849
    Type: Grant
    Filed: December 29, 1987
    Date of Patent: August 14, 1990
    Assignee: Regent Sheffield, Ltd.
    Inventor: Christopher J. Callinan
  • Handle for flatware
    Patent number: D309850
    Type: Grant
    Filed: December 29, 1987
    Date of Patent: August 14, 1990
    Assignee: Regent Sheffield, Ltd.
    Inventor: Christopher J. Callinan
  • Handle for flatware
    Patent number: D309852
    Type: Grant
    Filed: January 29, 1988
    Date of Patent: August 14, 1990
    Assignee: Regent Sheffield, Ltd.
    Inventor: Christopher J. Callinan
  • Package
    Patent number: D310488
    Type: Grant
    Filed: December 29, 1987
    Date of Patent: September 11, 1990
    Assignee: Regent Sheffield, Ltd.
    Inventor: Christopher J. Callinan
  • Package
    Patent number: D314914
    Type: Grant
    Filed: December 29, 1987
    Date of Patent: February 26, 1991
    Assignee: Regent Sheffield, Ltd.
    Inventor: Christopher J. Callinan