Nigel Hill

Follow

Person

Pershore, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Shield supports suitable for use in mines
- Patent number 4,629,368
- Issue date Dec 16, 1986
- Dowty Mining Equipment Limited
- Nigel Hill
- E21 - EARTH DRILLING MINING
Information Patent Grant
Roof support suitable for use in mines
- Patent number 4,609,308
- Issue date Sep 2, 1986
- Dowty Mining Equipment Limited
- Nigel Hill
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mine-roof supports
- Patent number 4,568,222
- Issue date Feb 4, 1986
- Dowty Mining Equipment Limited
- Nigel Hill
- E21 - EARTH DRILLING MINING
Information Patent Grant
Roof support suitable for use in mines
- Patent number 4,430,026
- Issue date Feb 7, 1984
- Dowty Mining Equipment Limited
- Nigel Hill
- E21 - EARTH DRILLING MINING