Keith M. Macdonald

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Solihull, GB

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Patents Grantslast 30 patents

Information Patent Grant
Process for manufacturing laminated bath tub or shower tray
- Patent number 4,938,825
- Issue date Jul 3, 1990
- Armitage Shanks Limited
- Keith M. Macdonald
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL