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 | Joseph B. Adams, James A. Gaspar | 1989-09-26 |
PS
Paul J. Stash
Overall (1989): #136,878 of 140,708Top 100%
1
Patents 1989