Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869827 | Treatment for water systems to inhibit corrosion and scale formation | Harold A. Chagnard, Jr., Mark K. Brayden | 1989-09-26 |
TL
Thomas R. LeBlanc
Overall (1989): #50,439 of 140,708Top 40%
1
Patents 1989