(84) |
Designated Contracting States: |
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AT BE CH DE DK ES FR GB IT LI LU NL SE |
(30) |
Priority: |
20.06.1989 GB 19890014131 11.09.1989 GB 19890020487
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(71) |
Applicant: TRENCHFORM LIMITED |
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Fulking, West Sussex BN5 9LU (GB) |
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(72) |
Inventors: |
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- BARKER, Bernard, Geoffrey "Thatchly" The Street
West Sussex BN5 9LU (GB)
- CLIFTON, Royston, Alan
East Sussex BN3 8JA (GB)
|
(74) |
Representative: Davies, Christopher Robert |
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Frank B. Dehn & Co. Imperial House 15-19 Kingsway London WC2B 6UZ London WC2B 6UZ (GB) |
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