Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678710 | Nipple for nursing bottles | — | 1997-10-21 |
| 5671859 | Door control device for a large garbage container | Shang-Jen Chang | 1997-09-30 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678710 | Nipple for nursing bottles | — | 1997-10-21 |
| 5671859 | Door control device for a large garbage container | Shang-Jen Chang | 1997-09-30 |