Granted Patent
Utility
US 6,441,934 · App. 09/191,575
Multiplexer and demultiplexer for single mode optical fiber communication links
Inventors:
Warren T. Boord, Anil K. Jain
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Nov 13, 1998
Inventors
Warren T. Boord
Anil K. Jain
Assignee (at issue)
APA Optics, 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.