Patents by Inventor Lippert, Roy O.

Lippert, Roy O. 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: 4655372
    Abstract: A paint dispenser in the form of a housing which mounts a paint filled syringe at one end and has a rod which moves axially, under the control of a trigger, to dispense paint from the syringe. Trigger movement in one direction acts through a cup shaped device to move the rod axially to feed paint, while the trigger is disengaged from the rod during its return movement.
    Type: Grant
    Filed: September 21, 1984
    Date of Patent: April 7, 1987
    Assignee: The Joy of Painting
    Inventors: Robert N. Ross, Lippert, Roy O.