Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638474 | method of making cemented carbide tool | Yixiong Liu, Donald A. Botbyl, George P. Grab | 2003-10-28 |
| 6554548 | Chromium-containing cemented carbide body having a surface zone of binder enrichment | George P. Grab, Anakkavur T. Santhanam | 2003-04-29 |