Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5488855 | Testing lubricating oil for mineral oil contaminants | Richard Rowntree, Andrew Swallow | 1996-02-06 |
| 5229025 | Lubrication and a method of retrofilling a working fluid/lubricant composition | Barry D. Greig | 1993-07-20 |