Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8131411 | Change over valve for a transition system | Kumar Deepak, John Sullivan | 2012-03-06 |
| 7857398 | Lock-out for empty load device | Deepak Kumar | 2010-12-28 |
| 6666528 | Empty load device | Robert Gayfer | 2003-12-23 |
| 6338288 | Railroad brake controller locking device | Ronald O. Newton | 2002-01-15 |