Granted Patent
Utility
US 5,082,343 · App. 07/630,925
Isolated optical coupler
Inventors:
David Coult, Joel C. Masland, Michele A. Milbrodt
Patented Case
View Patent ↗
Granted: Jan 21, 1992
Filed: Dec 20, 1990
Inventors
David Coult
Joel C. Masland
Michele A. Milbrodt
Assignee (at issue)
AT&T Bell Laboratories
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.