Pleun Marinus Van Der Sman

Follow

Person

GD Rijswijk, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Steerable soil penetration system
- Patent number 7,347,282
- Issue date Mar 25, 2008
- Shell Oil Company
- Michael John Betts
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Steerable soil penetration system
- Publication number 20050161261
- Publication date Jul 28, 2005
- Michael John Betts
- E21 - EARTH DRILLING MINING