Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6375706 | Composition for binder material particularly for drill bit bodies | Thomas W. Oldham | 2002-04-23 |
| 6287360 | High-strength matrix body | Thomas W. Oldham | 2001-09-11 |
| 5833021 | Surface enhanced polycrystalline diamond composite cutters | Graham Mensa-Wilmot, Ghanshyam Rai, Madapusi K. Keshavan, David Truax | 1998-11-10 |
| 5535838 | High performance overlay for rock drilling bits | Madapusi K. Keshavan, Wayne Quantz, Robert C. Tucker, Jr., Melvin D. Mendenhall, Jean M. Quets | 1996-07-16 |