Patents by Inventor Hartmut Ginnow

Hartmut Ginnow 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).

  • Countertop air oven
    Patent number: D328687
    Type: Grant
    Filed: March 20, 1989
    Date of Patent: August 18, 1992
    Assignee: Alternative Pioneering Systems, Inc.
    Inventors: David Dornbush, Chad Erickson, John Finn, Hartmut Ginnow