Patents by Inventor Charles L. Sorensen

Charles L. Sorensen 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).

  • Lipstick-type cosmetic case with display position
    Patent number: 4380402
    Abstract: A lipstick case having an outer sheet metal cam sleeve with a generally helically extending cam slot with an intermediate circumferentially extending pocket for retention of the lipstick pomade in an intermediate display position.
    Type: Grant
    Filed: July 31, 1981
    Date of Patent: April 19, 1983
    Assignee: Lake Eyelet Manufacturing Company, Inc.
    Inventors: Alfred G. Andrews, Charles L. Sorensen