Granted Patent
Utility
US 5,655,297 · App. 08/518,951
Method to part welded vessel sections without violating internal cleanliness
Inventors:
Harrison P. Randolph, Rudolph M. Canfield, William J. Bees
Patented Case
View Patent ↗
Granted: Aug 12, 1997
Filed: Aug 24, 1995
Inventors
Harrison P. Randolph
Rudolph M. Canfield
William J. Bees
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.