Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6671608 | Vehicle clock tampering detector | Ian Daniel McKenzie, Richard M. Avery, Jr. | 2003-12-30 |
| 6536264 | Apparatus for detecting coolant corrosiveness | Ian Daniel McKenzie, David Lloyd Hart | 2003-03-25 |