Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9226392 | Tamper protection device and data transaction apparatus | Carl Robinson, Li Chen | 2015-12-29 |
| 5270523 | Plate spring for mounting a magnetic stripe card reader's magnetic head | Andrew Sean Tsai | 1993-12-14 |
| 5233505 | Security device for protecting electronically-stored data | Wing-Fai Chun | 1993-08-03 |
| 5091811 | Read head mounting structure for magnetic card reader | — | 1992-02-25 |