Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7350303 | Level, angle and distance measuring device | Angus James Rock | 2008-04-01 |
| 6012002 | Vehicle travel meter | Trevor Edwin Tapping | 2000-01-04 |
| 4213080 | Automatic electric battery charging apparatus | — | 1980-07-15 |