Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4969775 | Process of dressing contaminated soils | Fred Cappel, Dirk Hankel, Friedrich Rosenstock | 1990-11-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4969775 | Process of dressing contaminated soils | Fred Cappel, Dirk Hankel, Friedrich Rosenstock | 1990-11-13 |