Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8469121 | Polycrystalline diamond abrasive elements | Brett Lancaster, Bronwyn Annette Roberts, Klaus Tank, Roy Derrick Achilles, Clement D. van der Riet | 2013-06-25 |
| 8240405 | Polycrystalline diamond abrasive elements | Brett Lancaster, Bronwyn Annette Roberts, Roy Derrick Achilles | 2012-08-14 |
| 8020642 | Polycrystalline diamond abrasive elements | Brett Lancaster, Bronwyn Annette Roberts, Klaus Tank, Roy Derrick Achilles, Clement D. van der Riet | 2011-09-20 |
| 8016054 | Polycrystalline diamond abrasive elements | Brett Lancaster, Bronwyn Annette Roberts, Roy Derrick Achilles | 2011-09-13 |
| 7575805 | Polycrystalline diamond abrasive elements | Roy Derrick Achilles, Bronwyn Annette Roberts, Brett Lancaster, Klaus Tank | 2009-08-18 |
| D502952 | Substrate for manufacturing cutting elements | Roy Derrick Achilles, Klaus Tank | 2005-03-15 |