David Hartley

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Normanton, GB

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Patents Grantslast 30 patents

Information Patent Grant
Anaerobic adhesives
- Patent number 4,243,791
- Issue date Jan 6, 1981
- Rocol Limited
- Keith Hargreaves
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Composition for coating metal-working tools
- Patent number 4,243,434
- Issue date Jan 6, 1981
- Rocol Limited
- David Hartley
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...