Patents by Inventor Stuart L. Koch

Stuart L. Koch 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).

  • Rocking chair
    Patent number: D256070
    Type: Grant
    Filed: May 12, 1978
    Date of Patent: July 29, 1980
    Assignee: Plastofilm Industries, Inc.
    Inventors: T. William Fejer, Stuart L. Koch
  • Diskette clock
    Patent number: D360832
    Type: Grant
    Filed: April 8, 1994
    Date of Patent: August 1, 1995
    Assignee: Stuart L. Koch
    Inventor: Stuart L. Koch
  • Disc letter opener
    Patent number: D365508
    Type: Grant
    Filed: April 8, 1994
    Date of Patent: December 26, 1995
    Inventor: Stuart L. Koch