Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6159886 | Clay composition containing a tannin and a method for producing bricks therefrom | Marshall D. Bishop, Orval G. Ward, Lowell A. Gray | 2000-12-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6159886 | Clay composition containing a tannin and a method for producing bricks therefrom | Marshall D. Bishop, Orval G. Ward, Lowell A. Gray | 2000-12-12 |