Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6985791 | Grinding wheel system | Robert X. Gao, Changsheng Guo, Biju Varghese, Sumukh Pathare | 2006-01-10 |
| 6602109 | Grinding wheel system | Robert X. Gao, Changsheng Guo, Biju Varghese, Sumukh Pathare | 2003-08-05 |