Patents by Inventor Robbin Lee Johnson

Robbin Lee Johnson 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).

  • Dispensing apparatus
    Patent number: 6210061
    Abstract: An apparatus for dispensing cream products such as deodorants and the like from a concealed product tube. A rotatable propeller drives a threaded spindle having a piston elevator mounted thereon. As the spindle rotates, the piston elevator rides upward, pushing the product toward an application surface.
    Type: Grant
    Filed: June 11, 1999
    Date of Patent: April 3, 2001
    Inventor: Robbin Lee Johnson