Patents by Inventor Linn L. Zimmer

Linn L. Zimmer 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).

  • New magnetic metallic particles using rare-earth elements
    Patent number: 4970124
    Abstract: Ferromagnetic metallic particles having incorporated into the surface a rare earth element are employed to make magnetic recording elements. These particles are obtained from non-magnetic particle precursors by treating with a rare earth salt in an aqueous solution.
    Type: Grant
    Filed: May 11, 1988
    Date of Patent: November 13, 1990
    Assignee: Eastman Kodak Company
    Inventors: George L. Oltean, Linn L. Zimmer