Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863699 | Grid with conical support skirt | Te-Hung Chen | 1989-09-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863699 | Grid with conical support skirt | Te-Hung Chen | 1989-09-05 |