Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5346090 | Apparatus for refining diamonds | Ankur Purohit | 1994-09-13 |
| 5251752 | Wet blade razor storage and preservative apparatus | — | 1993-10-12 |
| 5133792 | Process for refining diamonds | Ankur Purohit | 1992-07-28 |
| 5007533 | Wet blade razor storage apparatus | — | 1991-04-16 |