Patents by Inventor Lloyd J. Underhill

Lloyd J. Underhill 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: 4398346
    Abstract: Method of preparing lithium anodes contacted with organic materials prior to association of the anode with a cathode material wherein the contacted anode is first subjected to a heat treatment. Upon incorporation of the improved anode into an electrochemical battery or cell and association of the heat treated anode with a suitable cathode material, the cell may be discharged under controlled conditions for a short time prior to its usual "burn-in" discharge.
    Type: Grant
    Filed: October 23, 1981
    Date of Patent: August 16, 1983
    Assignee: Medtronic, Inc.
    Inventors: Lloyd J. Underhill, William D. Helgeson