Granted Patent
Utility
US 5,670,914 · App. 08/533,301
Miniature atomic frequency standard
Inventors:
Irving Liberman, Peter J. Chantry
Patented Case
View Patent ↗
Granted: Sep 23, 1997
Filed: Sep 25, 1995
Inventors
Irving Liberman
Peter J. Chantry
Assignee (at issue)
NORTHROP GRUMMAN CORPORATION
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.