Granted Patent
Utility
US 6,529,671 · App. 09/776,047
Passively compensated optical fibers
Inventor:
Trevor MacDougall
Patented Case
View Patent ↗
Granted: Mar 4, 2003
Filed: Feb 1, 2001
Inventor
Trevor MacDougall
Assignee (at issue)
3M INNOVATIVE PROPERTIES COMPANY
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.