Patents by Inventor Lis Knudsen

Lis Knudsen 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 bottle and cap
    Patent number: D322027
    Type: Grant
    Filed: December 20, 1988
    Date of Patent: December 3, 1991
    Inventors: Lis Knudsen, Poul K. Andersen