John S. Ligas

3 Patents

• US120769512024

  Method of Making Optical Articles Having Gradient Light Influencing Properties

  Transitions Optical, Inc.

  0 cites
• US120557412024

  Optical Articles and Method of Preparing the Same

  Transitions Optical, Inc.

  0 cites
• US117142202023

  Optical Article with Gradient Light Influencing Properties and Method of Making the Same

  Transitions Optical, Inc.

  0 cites