Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6646554 | Identification tag with enhanced security | Gerald L. Karel, Chester Piotrowski, Robert A. Sainati, Ching-Long Tsai | 2003-11-11 |
| 6600420 | Application for a radio frequency identification system | Bernard A. Gonzalez, Chester Piotrowski, Ching-Long Tsai | 2003-07-29 |