Rex Mullins

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Burton upon Trent, GB

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Patents Grantslast 30 patents

Information Patent Grant
Mine equipment
- Patent number 4,453,846
- Issue date Jun 12, 1984
- Coal Industry (Patents) Limited
- Rex Mullins
- E21 - EARTH DRILLING MINING
Information Patent Grant
Underground mining machine with longwall guidance system
- Patent number 4,111,487
- Issue date Sep 5, 1978
- Coal Industry (Patents) Limited
- Rex Mullins
- E21 - EARTH DRILLING MINING