Patents by Inventor David W. Ek

David W. Ek 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).

  • Control panel for frying computer
    Patent number: D275104
    Type: Grant
    Filed: September 10, 1981
    Date of Patent: August 14, 1984
    Assignee: National Controls Corporation
    Inventors: Gustav Kuschewski, William A. Joseph, David W. Ek, Ronald R. Holt
  • Control panel for frying computer
    Patent number: D275105
    Type: Grant
    Filed: September 10, 1981
    Date of Patent: August 14, 1984
    Assignee: National Controls Corporation
    Inventors: Gustav Kuschewski, William A. Joseph, David W. Ek, Ronald R. Holt