Patents Assigned to Soft Light, Inc.
  • Patent number: 7195351
    Abstract: An transparent or semitransparent plastic eyeglass frame contains a photochromic moiety and has photochromic properties.
    Type: Grant
    Filed: May 5, 2005
    Date of Patent: March 27, 2007
    Assignee: Soft Light, Inc.
    Inventor: Ronald C. Wiand