Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6139744 | Waste treatment device and method employing the same | David R. Spears, R. C. Shades, Christina Edvardsson | 2000-10-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6139744 | Waste treatment device and method employing the same | David R. Spears, R. C. Shades, Christina Edvardsson | 2000-10-31 |