Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5133625 | Method and apparatus for subsurface bioremediation | Philip B. Hildebrand, William Edward Lee | 1992-07-28 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5133625 | Method and apparatus for subsurface bioremediation | Philip B. Hildebrand, William Edward Lee | 1992-07-28 |