Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4950474 | Combination corrosion and scale inhibiting system containing phosphonate/amine reaction product | Frederick W. Valone | 1990-08-21 |
CH
Charles J. Hinrichsen
Overall (All Time): #3,909,770 of 4,157,543Top 95%
1
Patents All Time