Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869890 | Control of nitric acid plant stack opacity during start-up and shutdown | James A. Gaspar, Paul J. Stash | 1989-09-26 |
JA
Joseph B. Adams
Overall (1989): #96,848 of 140,708Top 70%
1
Patents 1989