Patents by Inventor Patrick Clement Cox

Patrick Clement Cox 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 expelling contents of collapsible tubes and method of using
    Patent number: 3933273
    Abstract: The contents of a collapsible tube are expelled by placing the tube in a close-fitting sleeve having a removable cap with an orifice fitting over the discharge nozzle of the tube and a plunger which engages the other end of the tube and has a diametral groove to receive the crimped closed end of the tube. Movement of the plunger towards the cap causes the wall of the tube to concertina.
    Type: Grant
    Filed: February 13, 1974
    Date of Patent: January 20, 1976
    Inventor: Patrick Clement Cox