Granted Patent
Utility
US 4,771,526 · App. 06/785,291
Sleeving of steam generators
Inventors:
Thomas E. Arzenti, William E. Pirl
Patented Case
View Patent ↗
Granted: Sep 20, 1988
Filed: Oct 7, 1985
Inventors
Thomas E. Arzenti
William E. Pirl
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.