Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6863215 | Access system and method for buses | Allan Roberts | 2005-03-08 |
| 6631841 | Access system and method for buses | Allan Roberts | 2003-10-14 |
| 6392395 | Automatic circuit breaker detector | Allan Roberts | 2002-05-21 |