Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6577432 | Post and pocket microstructures containing moveable particles having optical effects | Rolf W. Biernath | 2003-06-10 |
| 6570700 | Microstructures with assisting optical elements to enhance an optical effect | Rolf W. Biernath, John C. Nelson | 2003-05-27 |
| 6521145 | Reflective particle display film and method of manufacture | Brit G. Billingsley, William D. Miller, Richard J. Pokorny | 2003-02-18 |