Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7163744 | Multi-functional product markers and methods for making and using the same | N. Michael Tangen | 2007-01-16 |
| 6951687 | Multifunctional product markers and methods for making and using the same | N. Michael Tangen | 2005-10-04 |