Patents by Inventor Gustav Eric Valdemar Benson

Gustav Eric Valdemar Benson 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).

  • Dispenser for dispensing a liquid or pasty product from a container
    Patent number: 3952924
    Abstract: Dispenser for liquid soap or the like having a pump chamber with flexible funnel-shaped inlet and outlet valves permitting passage of the liquid or paste through the chamber in one direction only, and a flexible bulb or like means for intermittently pressurizing the chamber to expel a quantity of the liquid or paste therefrom when required by a user.
    Type: Grant
    Filed: May 31, 1974
    Date of Patent: April 27, 1976
    Inventor: Gustav Eric Valdemar Benson