Granville C. James

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Ashby-de-la-Zouch, GB

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Patents Grantslast 30 patents

Information Patent Grant
Fluid supply system to rotary cutter heads on mining machines
- Patent number 4,643,483
- Issue date Feb 17, 1987
- Coal Industry (Patents) Limited
- Derek J. Brooks
- E21 - EARTH DRILLING MINING
Information Patent Grant
Dust filter apparatus
- Patent number 4,484,937
- Issue date Nov 27, 1984
- Coal Industry (Patents) Limited
- Granville C. James
- E21 - EARTH DRILLING MINING
Information Patent Grant
Dust filter apparatus
- Patent number 4,253,854
- Issue date Mar 3, 1981
- Coal Industry (Patents) Limited
- Granville C. James
- E21 - EARTH DRILLING MINING
Information Patent Grant
Dust filter apparatus
- Patent number 4,175,933
- Issue date Nov 27, 1979
- Coal Industry (Patents) Limited
- Granville C. James
- E21 - EARTH DRILLING MINING