Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6768586 | Polarizer constructions and display devices exhibiting unique color effects | Hassan Sahouani, Kim M. Vogel, Keith M. Kotchick, Mark B. O'Neill, Robert S. Moshrefzadeh | 2004-07-27 |
| 6574044 | Polarizer constructions and display devices exhibiting unique color effects | Hassan Sahouani, Kim M. Vogel, Keith M. Kotchick, Mark B. O'Neill, Robert S. Moshrefzadeh | 2003-06-03 |
| 5976686 | Diffuse reflective articles | Scott R. Kaytor, Kenneth A. Epstein, John Christopher Harvey, Stephen J. Pojar, Neal T. Strand +2 more | 1999-11-02 |
| 5919551 | Variable pitch structured optical film | Sanford Cobb, Jr., Mark E. Gardiner, Keith M. Kotchick, Kazuhiko Toyooka | 1999-07-06 |