Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5666417 | Fluorescence authentication reader with coaxial optics | Louis H. Liang, Daniel A. Marinello, Donald L. Wray | 1997-09-09 |
| 5574790 | Fluorescence authentication reader with coaxial optics | Louis H. Liang, Daniel A. Marinello, David E. Silverglate, Donald L. Wray | 1996-11-12 |
| 5548106 | Methods and apparatus for authenticating data storage articles | Louis H. Liang, Daniel A. Marinello | 1996-08-20 |
| 5418855 | Authentication system and method | Louis H. Liang, Daniel A. Marinello, Donald L. Wray | 1995-05-23 |