Granted Patent
Utility
US 6,134,949 · App. 09/337,121
Method and apparatus for on-line detection of leaky emergency shut down or other valves
Inventors:
Robert L. Leon, David Heagerty
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Jun 21, 1999
Inventors
Robert L. Leon
David Heagerty
Assignee (at issue)
Crane Nuclear, 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.