Patents by Inventor John Robert Wray

John Robert Wray 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).

  • Aerosol container closure
    Patent number: 3990613
    Abstract: The present invention relates to a finger-actuated dispensing closure and valve for a pressurized container. More specifically, the closure is constructed to expand through absorption of propellant gases in said container to seal itself in the cylindrical mouth of a pressurized container, and to release the contents of the container when manually depressed.
    Type: Grant
    Filed: June 30, 1975
    Date of Patent: November 9, 1976
    Assignee: Chill-Can International, Ltd.
    Inventor: John Robert Wray