Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6761959 | Diffractive surfaces with color shifting backgrounds | Richard L. Bonkowski, Charles T. Markantes, Roger W. Phillips | 2004-07-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6761959 | Diffractive surfaces with color shifting backgrounds | Richard L. Bonkowski, Charles T. Markantes, Roger W. Phillips | 2004-07-13 |