Patents by Inventor Rodney W. Park

Rodney W. Park 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).

  • Squeezing device
    Patent number: 4337879
    Abstract: A device for squeezing tubes, such as toothpaste tubes having two parallel rollers between which the tube is inserted. One of the rollers is rotated so that the rollers, which are mounted in a slide, move along the length of the tube towards its neck. When sufficient of the tube contents has been dispensed, the rotation is stopped. An arrangement is provided to ensure that the rollers do not move back along the length of the tube after each dispensing step.
    Type: Grant
    Filed: June 16, 1980
    Date of Patent: July 6, 1982
    Inventor: Rodney W. Park