Granted Patent
Utility
US 6,822,994 · App. 09/876,324
Solid-state laser using ytterbium-YAG composite medium
Inventor:
Chandler J. Kennedy
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Jun 7, 2001
Inventor
Chandler J. Kennedy
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.