Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6447135 | Lightguide having a directly secured reflector and method of making the same | David L. Wortman, Sanford Cobb, Jr., Kenneth A. Epstein, Wade D. Kretman | 2002-09-10 |
| 6356391 | Optical film with variable angle prisms | Sanford Cobb, Jr., Kenneth A. Epstein, Wade D. Kretman | 2002-03-12 |