Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5506001 | Method for the preservation of timber products | Frank M. S. Ma | 1996-04-09 |
| 5460751 | Compositions for the preservation of timber products | Frank M. S. Ma | 1995-10-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5506001 | Method for the preservation of timber products | Frank M. S. Ma | 1996-04-09 |
| 5460751 | Compositions for the preservation of timber products | Frank M. S. Ma | 1995-10-24 |