Granted Patent
Utility
US 6,708,651 · App. 10/429,360
Feedwater apparatus
Inventor:
Nansheng Sun
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: May 5, 2003
Inventor
Nansheng Sun
Assignee (at issue)
Babcock & Wilcox Canada Corp.
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.