Patents by Inventor Edwin T. Chen

Edwin T. Chen 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).

  • Task light
    Patent number: D414578
    Type: Grant
    Filed: November 12, 1997
    Date of Patent: September 28, 1999
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Edwin T. Chen, Perry S. Dotterman, Kenneth J. Kirchhoff, Lawrence J. Fenske, Michael J. Brock