IP Library › Granted Patent US 4,767,459
Granted Patent Utility
US 4,767,459 · App. 07/097,176

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Inventors: David Greenwood, John E. Presgrave
Patented Case View Patent ↗
Granted: Aug 30, 1988 Filed: Sep 16, 1987
Inventors
David Greenwood
John E. Presgrave
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES LIMITED

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Quick Facts
Patent No.
US 4,767,459
App. No.
07/097,176
Filed
1987-09-16
Granted
1988-08-30
Kind
A