John M. Greig

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Whitley Bay, Tyne & Wear NE25 9UG, GB

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Patents Grantslast 30 patents

Information Patent Grant
Structures of plastics material
- Patent number 4,954,299
- Issue date Sep 4, 1990
- John M. Greig
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL