Granted Patent
Utility
US 6,544,606 · App. 09/570,980
Systems and methods for storing fissile materials
Inventors:
Charles W. Pennington, Willington J. Lee
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: May 15, 2000
Inventors
Charles W. Pennington
Willington J. Lee
Assignee (at issue)
NAC International 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.