Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641918 | Method of producing fine coated tungsten carbide particles | Andrew Sherman | 2003-11-04 |
| 6540800 | Abrasive particles with metallurgically bonded metal coatings | Andrew Sherman | 2003-04-01 |