Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681536 | Injection lance for uniformly injecting anhydrous ammonia and air into a boiler cavity | Duane P. Swoboda, Kevin A. Largis, Mark A. Jurgens, Raymond V. Kirby, Sidney S. Penner +2 more | 1997-10-28 |