Granted Patent
Utility
US 6,711,340 · App. 09/935,429
Method and apparatus for optical beam power attenuation
Inventor:
William C. Dickson
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Aug 20, 2001
Inventor
William C. Dickson
Assignee (at issue)
Glimmerglass Networks, 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.