Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8053494 | Invisible ink and scratch pad | JoAnn Domanski | 2011-11-08 |
| 7939239 | Illumination sources and subjects having distinctly matched and mismatched narrow spectral bands | Norman A. Gardner, Edward H. Bell | 2011-05-10 |