Patents by Inventor Linda L. Hopkins

Linda L. Hopkins 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).

  • Apparatus for stirring solutions in small vessels
    Patent number: 4530606
    Abstract: A small, light-weight stirring apparatus for stirring liquid solutions and suspension comprises a power source, a rotable or vibratory motor and an inexpensive, disposable hollow stirring shaft made of a polymeric material. The inexpensive hollow stirrer is disposed after each stirring operation, thus obviating cleaning of the stirrer.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: July 23, 1985
    Inventors: Thomas R. Hopkins, Linda L. Hopkins