Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7137571 | Fuel injector nozzles | David James Caley, Robert Walter Frew, David John Longman | 2006-11-21 |
| 6955307 | Deposit control in fuel injector nozzles | Robert Walter Frew, Geoffrey Paul Cathcart | 2005-10-18 |
| 6923387 | Deposit control in fuel injector nozzles | Robert Walter Frew, John R. Mills, Peter Murdoch | 2005-08-02 |