Granted Patent
Utility
US 6,211,539 · App. 08/199,910
Semi-insulated indium phosphide based compositions
Inventors:
Wilbur D. Johnston, Jr., Judith A. Long
Patented Case
View Patent ↗
Granted: Apr 3, 2001
Filed: Feb 22, 1994
Inventors
Wilbur D. Johnston, Jr.
Judith A. Long
Assignee (at issue)
LUCENT TECHNOLOGIES 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.