Granted Patent
Utility
US 4,240,602 · App. 06/021,864
Support device for a pressure vessel
Inventor:
Dennis K. McDonald
Patented Case
View Patent ↗
Granted: Dec 23, 1980
Filed: Mar 19, 1979
Inventor
Dennis K. McDonald
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.