Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4944539 | Differential creepage control system for optimizing adhesion of locomotives | Sudhir Kumar, Shiv Kumar | 1990-07-31 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4944539 | Differential creepage control system for optimizing adhesion of locomotives | Sudhir Kumar, Shiv Kumar | 1990-07-31 |