Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6872422 | Process for imparting and enhancement of colours in gemstone minerals and gemstone minerals obtained thereby | Samir K. Gupta | 2005-03-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6872422 | Process for imparting and enhancement of colours in gemstone minerals and gemstone minerals obtained thereby | Samir K. Gupta | 2005-03-29 |