Issued Patents 2003
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641883 | High efficiency optical devices | Michael F. Weber, David L. Wortman, Andrew J. Ouderkirk | 2003-11-04 |
| 6598328 | Sign faces having reflective films and methods of using same | Ellen O. Aeling, Frank L. Deyak | 2003-07-29 |
| 6581286 | Method of making tool to produce optical film | Alan B. Campbell, Wade D. Kretman, Marvin J. Niezgocki, Timothy L. Hoopman | 2003-06-24 |
| 6576887 | Light guide for use with backlit display | Leland R. Whitney, Gary T. Boyd, Keith M. Kotchick, Kenneth A. Epstein, Philip E. Watson +2 more | 2003-06-10 |
| 6560026 | Optical film with variable angle prisms | Mark E. Gardiner, Kenneth A. Epstein, Wade D. Kretman | 2003-05-06 |
| 6543153 | Reflective polarizer having improved properties and optical display with improved reflective polarizer | Michael F. Weber, Olester Benson, Jr., James M. Jonza, Andrew J. Ouderkirk, David L. Wortman +1 more | 2003-04-08 |
| 6515785 | Optical devices using reflecting polarizing materials | David L. Wortman | 2003-02-04 |