IP Library › Granted Patent US 4,676,744
Granted Patent Utility
US 4,676,744 · App. 06/770,282

Regenerative heating apparatus

Inventors: George Wray, Trevor Ward, James H. Goodfellow
Patented Case View Patent ↗
Granted: Jun 30, 1987 Filed: Aug 28, 1985
Inventors
George Wray
Trevor Ward
James H. Goodfellow
Assignee (at issue)
BRITISH GAS PLC

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Quick Facts
Patent No.
US 4,676,744
App. No.
06/770,282
Filed
1985-08-28
Granted
1987-06-30
Kind
A