Patents by Inventor Arthur M. Kraus

Arthur M. Kraus 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).

  • Key chain
    Patent number: D309830
    Type: Grant
    Filed: October 18, 1988
    Date of Patent: August 14, 1990
    Assignee: A.M.K. Investments Ltd.
    Inventor: Arthur M. Kraus
  • Key holder
    Patent number: D321786
    Type: Grant
    Filed: October 24, 1989
    Date of Patent: November 26, 1991
    Assignee: A.M.K. Investments Ltd.
    Inventor: Arthur M. Kraus
  • Key holder
    Patent number: D321787
    Type: Grant
    Filed: October 24, 1989
    Date of Patent: November 26, 1991
    Assignee: A.M.K. Investments Ltd.
    Inventor: Arthur M. Kraus
  • Key holder
    Patent number: D323243
    Type: Grant
    Filed: October 24, 1989
    Date of Patent: January 21, 1992
    Assignee: A.M.K. Investments Ltd.
    Inventor: Arthur M. Kraus