Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821188 | Diamond compact | Klaus Tank, Noel J. Pipkin | 2004-11-23 |
| 6620375 | Diamond compact | Klaus Tank, Noel J. Pipkin | 2003-09-16 |
| 5690706 | Abrasive body | Iakovos Sigalas, Martin S. Kramer, Serdar Ozbayraktar, Siu-Wah Wai | 1997-11-25 |