Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7028883 | Mail delivery indicator system | — | 2006-04-18 |
| 5672937 | Light-transmitting electroconductive plastic film electrodes and method of manufacture | Kue Byung Choi, Kue Choi, Kyu Taik Choi | 1997-09-30 |