Granted Patent
Utility
US 4,770,128 · App. 07/177,740
Heat exchanger support
Inventors:
Dennis K. McDonald, Paul S. Weitzel
Patented Case
View Patent ↗
Granted: Sep 13, 1988
Filed: Apr 5, 1988
Inventors
Dennis K. McDonald
Paul S. Weitzel
Assignee (at issue)
The Babcock & Wilcox Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.