Granted Patent
Utility
US 4,775,005 · App. 06/828,280
Method and device for the protection of steam generators, especially nuclear reactor steam generators
Inventors:
Werner Beyer, Norbert Wieling, Bernhard Stellwag
Patented Case
View Patent ↗
Granted: Oct 4, 1988
Filed: Feb 11, 1986
Inventors
Werner Beyer
Norbert Wieling
Bernhard Stellwag
Assignee (at issue)
Kraftwerk Union Aktiengesellschaft
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.