IP Library Granted Patent US 4,816,089
Granted Patent Utility
US 4,816,089 · App. 07/069,721

Process for heat treating a heat exchanger tube surrounded by a support plate

Inventors: Wenche W. Cheng, George G. Elder
Patented Case View Patent ↗
Granted: Mar 28, 1989 Filed: Jun 6, 1987
Inventors
Wenche W. Cheng
George G. Elder
Assignee (at issue)
Westinghouse Electric Company LLC

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Quick Facts
Patent No.
US 4,816,089
App. No.
07/069,721
Filed
1987-06-06
Granted
1989-03-28
Kind
A