Alexander William Dawson

Follow

Person

Keith Banffshire, GB

People

Patents Grantslast 30 patents

Information Patent Grant
One-trip milling system
- Patent number 6,648,068
- Issue date Nov 18, 2003
- Smith International, Inc.
- Charles H. Dewey
- E21 - EARTH DRILLING MINING
Information Patent Grant
One trip milling system
- Patent number 5,894,889
- Issue date Apr 20, 1999
- Smith International, Inc.
- Charles H. Dewey
- E21 - EARTH DRILLING MINING
Information Patent Grant
One trip milling system
- Patent number 5,771,972
- Issue date Jun 30, 1998
- Smith International, Inc.,
- Charles H. Dewey
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
ONE-TRIP MILLING SYSTEM
- Publication number 20020060073
- Publication date May 23, 2002
- CHARLES H. DEWEY
- E21 - EARTH DRILLING MINING