Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5505442 | Electronically distributing and confidential paper receiver | Joseph J. Chang, Shih-Chin Chang | 1996-04-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5505442 | Electronically distributing and confidential paper receiver | Joseph J. Chang, Shih-Chin Chang | 1996-04-09 |