Southland; Stephen G.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Southland; Stephen G..The latest application filed is for "rapid manufacturing of molds for forming drill bits".
- Southland; Stephen G. - Spring TX
- Southland; Stephen G. - Humble TX
- Southland; Stephen G. - Houston TX
| Patent | Date |
|---|---|
| Rapid manufacturing of molds for forming drill bits Grant 6,353,771 - Southland March 5, 2 | 2002-03-05 |
| Drill bit with rows of cutters mounted to present a serrated cutting edge Grant 6,164,394 - Mensa-Wilmot , et al. December 26, 2 | 2000-12-26 |
| Drill bit having trapezium-shaped blades Grant 6,021,858 - Southland February 8, 2 | 2000-02-08 |
| Cutter assembly for rock bits with back support groove Grant 5,947,216 - Truax , et al. September 7, 1 | 1999-09-07 |
| Multiple diamond layer polycrystalline diamond composite cutters Grant 5,722,499 - Nguyen , et al. March 3, 1 | 1998-03-03 |
| Diamond cutting element Grant 4,852,671 - Southland August 1, 1 | 1989-08-01 |
| Orientable fluid nozzle for drill bits Grant 4,794,995 - Matson , et al. January 3, 1 | 1989-01-03 |
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