Granted Patent
Utility
US 6,763,570 · App. 10/306,809
Method of closing a pressure vessel
Inventors:
Stephan L. Abbott, Louis J. Tylman
Patented Case
View Patent ↗
Granted: Jul 20, 2004
Filed: Nov 27, 2002
Inventors
Stephan L. Abbott
Louis J. Tylman
Assignee (at issue)
Westinghouse Electric Company LLC
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.