Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6407859 | Fresnel lens for projection screen | Daniel W. Hennen, Robert S. Moshrefzadeh, John C. Nelson, Patrick Thomas | 2002-06-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6407859 | Fresnel lens for projection screen | Daniel W. Hennen, Robert S. Moshrefzadeh, John C. Nelson, Patrick Thomas | 2002-06-18 |