Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6327900 | Oil life monitor for diesel engines | John E. Mc Donald, Ellen S. Schwartz, Nshan Hamparian, Joseph M. Stempnik, Scott John Fletcher | 2001-12-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6327900 | Oil life monitor for diesel engines | John E. Mc Donald, Ellen S. Schwartz, Nshan Hamparian, Joseph M. Stempnik, Scott John Fletcher | 2001-12-11 |