Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6299742 | Apparatus for metal extraction | Uday B. Pal | 2001-10-09 |
| 5976345 | Method and apparatus for metal extraction and sensor device related thereto | Uday B. Pal | 1999-11-02 |