Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7822491 | System for improving timekeeping and saving energy on long-haul trains | Philip George Howlett | 2010-10-26 |
| 7428452 | Scheduling method and system for rail networks | Philip George Howlett | 2008-09-23 |
| 5239472 | System for energy conservation on rail vehicles | Andrew Michael LONG, Ian P. Milroy, Basil R. Benjamin, Guiseppe Antonio Gelonese | 1993-08-24 |