John E. Lawson

Follow

Person

Horsell Woking, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Valve with removable insert
- Patent number 5,083,582
- Issue date Jan 28, 1992
- Cooper Industries, Inc.
- John E. Lawson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Clamped body replacement tool
- Patent number 5,074,717
- Issue date Dec 24, 1991
- Mobil Oil Corporation
- Rodney C. Hope
- E21 - EARTH DRILLING MINING
Information Patent Grant
Clamp connector
- Patent number 4,883,293
- Issue date Nov 28, 1989
- Cameron Iron Works USA, Inc.
- John E. Lawson
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve mounting and block manifold
- Patent number 4,874,008
- Issue date Oct 17, 1989
- Cameron Iron Works USA, Inc.
- John E. Lawson
- E21 - EARTH DRILLING MINING