Issued Patents All Time
Showing 1–2 of 2 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 |
| 4774018 | Treatment for water systems to inhibit corrosion and scale formation | Harold A. Chagnard, Jr., Mark K. Brayden | 1988-09-27 |