Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6979705 | Water based coal tar emulsions | Donald Leroy McDowell, Kenneth Brzozowski, Joseph F. Duda | 2005-12-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6979705 | Water based coal tar emulsions | Donald Leroy McDowell, Kenneth Brzozowski, Joseph F. Duda | 2005-12-27 |