Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6129773 | Fuel blends | Robert William Killick, by Barbara Anne Parnaby, legal representative, Peter Ronald Wrigley | 2000-10-10 |
| 5720784 | Fuel blends | Robert William Killick, Peter Ronald Wrigley | 1998-02-24 |