Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5152889 | Drip pipe for application of wash liquid to filter surfaces | James D. Eagan | 1992-10-06 |
| 4820400 | Process for removing haze from dewaxed hydrocarbon oil mixture boiling in the lubricating oil range (OP-3379) | Douglas G. Ryan, Donald B. Trust | 1989-04-11 |