Patents by Inventor Knud Jakobsen

Knud Jakobsen 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).

  • Telephone apparatus
    Patent number: D261139
    Type: Grant
    Filed: April 5, 1979
    Date of Patent: October 6, 1981
    Assignee: International Standard Electric Corporation
    Inventor: Knud Jakobsen