Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6596197 | Potassium monofluorophosphate as a corrosion inhibitor | Theophil Lutz | 2003-07-22 |
| 5314755 | Method to reduce scaling due to freezing and thawing in concrete | Rejean Beaudoin, Chantal Berthelot | 1994-05-24 |