Clive Jarvis

Follow

Person

Swindon, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Method of determining characteristics of a rotary drag-type drill bit
- Patent number 6,164,390
- Issue date Dec 26, 2000
- Camco International (UK) Limited
- Andrew Murdock
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary drill bits with extended bearing surfaces
- Patent number 6,129,161
- Issue date Oct 10, 2000
- Camco International (UK) Limited
- Tom Scott Roberts
- E21 - EARTH DRILLING MINING