Granted Patent
Utility
US 5,043,975 · App. 07/373,160
High bandwidth network based on wavelength division multiplexing
Inventor:
Donald H. McMahon
Patented Case
View Patent ↗
Granted: Aug 27, 1991
Filed: Jun 29, 1989
Inventor
Donald H. McMahon
Assignee (at issue)
Digital Equipment 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.