Albert G. French

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Willington, GB

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Patents Grantslast 30 patents

Information Patent Grant
Rotary cutter heads for mineral mining machines
- Patent number 4,568,128
- Issue date Feb 4, 1986
- Coal Industry (Patents) Ltd.
- Albert G. French
- E21 - EARTH DRILLING MINING
Information Patent Grant
Fluid supply system for rotary cutter heads for mining equipment an...
- Patent number 4,533,180
- Issue date Aug 6, 1985
- Coal Industry (Patents) Ltd.
- Albert G. French
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary cutter heads for mining machines
- Patent number 4,521,058
- Issue date Jun 4, 1985
- Coal Industry (Patents) Limited
- Brian A. Eagles
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mining equipment
- Patent number 4,315,658
- Issue date Feb 16, 1982
- Coal Industry (Patents) Limited
- Albert G. French
- E21 - EARTH DRILLING MINING