Granted Patent
Utility
US 5,280,504 · App. 07/906,378
Zirconium alloy tube with a boron-containing layer
Inventor:
Richard H. Young, Sr.
Patented Case
View Patent ↗
Granted: Jan 18, 1994
Filed: Jun 30, 1992
Inventor
Richard H. Young, Sr.
Assignee (at issue)
Combustion Engineering, Inc.
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.