Patents by Inventor Patty C. Marshall

Patty C. Marshall 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).

  • Ergonomically designed liquid dispenser and applicator
    Patent number: 5308181
    Abstract: A replaceable liquid application implement is attached to a hand-manipulated fluid reservoir and a thumb-activated plate is disposed between the application implement and the reservoir for selectively controlling the flow of fluid.
    Type: Grant
    Filed: October 9, 1992
    Date of Patent: May 3, 1994
    Inventors: Harold L. Hull, Patty C. Marshall