Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7691198 | Dry mix cement composition, methods and systems involving same | Dingwu Feng, Peter Duxson | 2010-04-06 |
| 5642280 | Method and system for determining and compensating for a faulty wheel speed input signal in a vehicle control system | Dan Negrin | 1997-06-24 |