Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7645314 | Composition useful for making slow release nitrogen free phosphorous, potassium and sulfur oxide glass and a process of making glass therefrom | Nisha Biswas, Gour Krishna Das Mahapatra | 2010-01-12 |