Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7989405 | Prevention of microbial growth in metal working fluids | Stephen David Chapman | 2011-08-02 |
| 6555506 | Corrosion inhibitors | William Hopkins | 2003-04-29 |
| 6467492 | Corrosion inhibitors | William Hopkins | 2002-10-22 |