IP Library › Granted Patent US 4,671,345
Granted Patent Utility
US 4,671,345 · App. 06/817,451

Regenerative heating systems

Inventors: Jeffery A. Masters, Roger J. Webb
Patented Case View Patent ↗
Granted: Jun 9, 1987 Filed: Jan 9, 1986
Inventors
Jeffery A. Masters
Roger J. Webb
Assignee (at issue)
British Gas

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Quick Facts
Patent No.
US 4,671,345
App. No.
06/817,451
Filed
1986-01-09
Granted
1987-06-09
Kind
A