Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6890481 | Paper product impregnated with chemical material | John Colvin | 2005-05-10 |
| 6858317 | Method for protecting wood and wood products from mold and sapstaining fungi | John Colvin | 2005-02-22 |