Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8223964 | Three-dimensional authentication of mircoparticle mark | Dan Hunt, Chris Zdon | 2012-07-17 |
| 8033450 | Expression codes for microparticle marks based on signature strings | Dan Hunt, Chris Zdon, Peter William Meyers | 2011-10-11 |
| 7885428 | Automatic microparticle mark reader | Dan Hunt, Chris Zdon, Paul Meyers | 2011-02-08 |
| 7831042 | Three-dimensional authentication of microparticle mark | Dan Hunt, Chris Zdon | 2010-11-09 |
| 7720254 | Automatic microparticle mark reader | Dan Hunt, Chris Zdon, Paul Meyers, Steven D. Zimmermann, Christopher Shannon Gourley | 2010-05-18 |
| 5212261 | Latent, heat-curable epoxy resin compositions containing metal carboxylate curing systems | — | 1993-05-18 |
| 5158603 | Process of extracting anions with quaternary amines | Michael J. Virnig, Gary A. Kordosky | 1992-10-27 |
| 4912228 | Process of extraction of amino acids from aqueous solutions thereof | Phillip L. Mattison | 1990-03-27 |