Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6991659 | Production of tanned leather and products suitable therefore | SONG MA, Matthew Walker | 2006-01-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6991659 | Production of tanned leather and products suitable therefore | SONG MA, Matthew Walker | 2006-01-31 |