Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6225139 | Manufacturing method of an led of a type of round concave cup with a flat bottom | — | 2001-05-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6225139 | Manufacturing method of an led of a type of round concave cup with a flat bottom | — | 2001-05-01 |