Patents by Inventor Lloyd Marston

Lloyd Marston 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).

  • Patent number: 3957176
    Abstract: A putty dispenser including a disposable cylindrical container is closed after being filled with putty and not opened again until after the container has been shipped and the putty has been dispensed from the container. A separator float is positioned inside the container and separates the putty from the air in the top of the container. A dispensing spout is centered in the bottom wall of the container and an air inlet spout is located off center in the topwall of the container. A non-drip putty dispensing valve is connectable to the dispensing spout, and air pressure is supplied to the container through the air inlet spout. A support frame is provided for supporting the container in an elevated position above a table top, or on a wall, etc., where the dispensing valve beneath the container is accessible.
    Type: Grant
    Filed: October 13, 1972
    Date of Patent: May 18, 1976
    Assignee: Dynatron/Bondo Corporation
    Inventor: Lloyd Marston