Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5623884 | Tilting coal nozzle burner apparatus | Craig A. Penterson | 1997-04-29 |
| 5392720 | Flame retaining nozzle tip | Oliver G. Briggs, Jr., Francis G. Ouellette | 1995-02-28 |
| 4517904 | Furnace, burner and method for burning pulverized coal | Craig A. Penterson | 1985-05-21 |