Patents by Inventor Ingomar O. Koch

Ingomar O. 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).

  • Combined writing board and pad holder
    Patent number: D254794
    Type: Grant
    Filed: April 25, 1978
    Date of Patent: April 22, 1980
    Assignee: Safeguard Business Systems, Inc.
    Inventors: Eric R. Hayman, John C. Hensel, Ingomar O. Koch