Patents by Inventor Clark L. Lofgren

Clark L. Lofgren 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).

  • Fork or similar article of flatware
    Patent number: D260228
    Type: Grant
    Filed: August 13, 1979
    Date of Patent: August 18, 1981
    Assignee: Reed & Barton Corporation
    Inventor: Clark L. Lofgren
  • Knife or similar article of flatware
    Patent number: D260349
    Type: Grant
    Filed: August 13, 1979
    Date of Patent: August 25, 1981
    Assignee: Reed & Barton Corporation
    Inventor: Clark L. Lofgren
  • Handle for an article of flatware
    Patent number: D305289
    Type: Grant
    Filed: August 10, 1987
    Date of Patent: January 2, 1990
    Assignee: Scientific Silver Service Corporation
    Inventors: William W. Robinson, Clark L. Lofgren