Patents by Inventor Charlene Stevenson

Charlene Stevenson 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).

  • Tooth paste dispenser
    Patent number: 4273258
    Abstract: A horizontally disposed base supports a collapsible tube filled with tooth paste. A frame, pivotally supported by the base, includes a pressure foot movable toward and away from the collapsible tube in overlying relation for progressively collapsing the tube and extruding paste therein.
    Type: Grant
    Filed: March 14, 1979
    Date of Patent: June 16, 1981
    Inventor: Charlene Stevenson