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Patents
Patents Assigned to Soft Light, Inc.
Patents Assigned to Soft Light, Inc.
Photochromic eyeglass frames and their method of making
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