Patents by Inventor Lee R. Tschanz

Lee R. Tschanz 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).

  • Coil apparatus for electromagnetic contactor
    Patent number: 4647886
    Abstract: The invention is a coil and armature return spring mounting system for an electromagnetic contactor.
    Type: Grant
    Filed: April 9, 1985
    Date of Patent: March 3, 1987
    Assignee: Square D Company
    Inventors: James P. Schmiedel, Lee R. Tschanz