Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6450587 | Vehicle brake safety system apparatus and methods | G. David MacGregor, Noble Hamilton | 2002-09-17 |
| 6322161 | Apparatus and methods for automatic engagement and locking of vehicle air parking brake | G. David MacGregor, Noble Hamilton | 2001-11-27 |