IP Library › Granted Patent US 4,437,494
Granted Patent Utility
US 4,437,494 · App. 06/390,080

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Inventors: Douglas C. Soper, Brian Gould
Patented Case View Patent ↗
Granted: Mar 20, 1984 Filed: Jun 18, 1982
Inventors
Douglas C. Soper
Brian Gould
Assignee (at issue)
British Gas

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Quick Facts
Patent No.
US 4,437,494
App. No.
06/390,080
Filed
1982-06-18
Granted
1984-03-20
Kind
A