Patents by Inventor Kenneth W. Lonngren

Kenneth W. Lonngren 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).

  • Patent number: D287680
    Type: Grant
    Filed: July 31, 1984
    Date of Patent: January 13, 1987
    Inventor: Kenneth W. Lonngren
  • Patent number: D317408
    Type: Grant
    Filed: July 17, 1989
    Date of Patent: June 11, 1991
    Assignee: The Stanley Works
    Inventors: Kenneth W. Lonngren, David F. O'Brien, James Mattiucci