Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5621072 | Purified guaiacum resin and method for making same | Masanao Watanabe, Kohji Kuroda | 1997-04-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5621072 | Purified guaiacum resin and method for making same | Masanao Watanabe, Kohji Kuroda | 1997-04-15 |