Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8287756 | Biaxial film II | Mark Verrall, Owain Llyr Parri, Richard Harding, Shirley Ann Marden | 2012-10-16 |
| 7724330 | Biaxial film having local birefringence that varies periodically | Owain Llyr Parri, Tara Perrett, Richard Harding, Mark Verrall, Shirley Ann Marden | 2010-05-25 |
| 7527833 | Biaxial film | Mark Verrall, Owain Llyr Parri, Karl Skjonnemand, Tara Perrett | 2009-05-05 |
| 7187424 | Combination of optical films comprising a twisted a-plate and a polarizer | Owin Parri, Karl Skjonnemand, Mark Verrall | 2007-03-06 |
| 7169447 | Achromatic quarter wave film | Jeong Su Yu, Moon Soo Park, Byoung Kun Jeon, Karl Skjonnemand, Mark Verrall | 2007-01-30 |
| 6099758 | Broadband reflective polarizer | Mark Verrall, John Argent, David Coates | 2000-08-08 |