Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681409 | Ultrasonic welding of electrical plug | Chao Chuan Chien | 1997-10-28 |
| 5655829 | Floodlight assembly | Chao-Chuan Chieh | 1997-08-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681409 | Ultrasonic welding of electrical plug | Chao Chuan Chien | 1997-10-28 |
| 5655829 | Floodlight assembly | Chao-Chuan Chieh | 1997-08-12 |