Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8268624 | System and method for determining acid content in lubricants | David Pinchuk | 2012-09-18 |
| 5889683 | Method and apparatus for continuous oil monitoring and treatment | Ashraf Ismail, David Pinchuk | 1999-03-30 |