Colin G. M. Merriman

Follow

Person

Preston, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Mine roof supports
- Patent number 5,423,638
- Issue date Jun 13, 1995
- Gullick Dobson Limited
- Colin G. M. Merriman
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for transmitting data
- Patent number 5,029,943
- Issue date Jul 9, 1991
- Gullick Dobson Limited
- Colin G. M. Merriman
- E21 - EARTH DRILLING MINING