Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8474874 | Layered image display sheet | Anthony L. Hoffman, John Tomczyk | 2013-07-02 |
| 8056929 | Layered image display applications and methods | Anthony L. Hoffman, Michael Alan Challeen, John Tomczyk | 2011-11-15 |