Patents by Inventor Eric G. Lee

Eric G. Lee 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).

  • Commutators
    Patent number: 5491373
    Abstract: An improved commutator anchoring system and methods of manufacturing such a system are disclosed. The system includes a wound fiberglass or other ring embedded in the internal core of the commutator to reinforce the resulting structure and enhance its thermal and mechanical stability. The reinforcing ring also functions as a form about which various anchors can be patterned, increasing their uniformity over free-form designs.
    Type: Grant
    Filed: September 7, 1994
    Date of Patent: February 13, 1996
    Assignee: The Morgan Crucible Company plc
    Inventors: David L. Cooper, Robert C. Dunigan, Joseph M. Grenier, Eric G. Lee