Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679238 | Method for producing sulfuric acid from flue gas desulfurization | Bang M. Kim | 1997-10-21 |
NS
Norman Zethward Shilling
Overall (1997): #97,684 of 185,788Top 55%
1
Patents 1997