Granted Patent
Utility
US 5,699,178 · App. 08/590,116
Procedure and device for distribution and reception of wavelength reference in optical multichannel network
Inventor:
Leif Ostlund
Patented Case
View Patent ↗
Granted: Dec 16, 1997
Filed: Jan 23, 1996
Inventor
Leif Ostlund
Assignee (at issue)
Telia Company AB
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.