Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878442 | Nox control for high nitric oxide concentration flows through combustion-driven reduction | James T. Yeh, Henry W. Pennline, Charles J. Drummond | 1989-11-07 |
| 4829246 | Apparatus having inductively coupled coaxial coils for measuring buildup of slay or ash in a furnace | Mahendra P. Mathur | 1989-05-09 |