Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4521222 | Resin-bonded grinding elements with dual coated diamond grit for dry grinding and wet grinding cemented carbide workpieces | Philippe D. St. Pierre | 1985-06-04 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4521222 | Resin-bonded grinding elements with dual coated diamond grit for dry grinding and wet grinding cemented carbide workpieces | Philippe D. St. Pierre | 1985-06-04 |