Granted Patent
Utility
US 5,727,012 · App. 08/612,046
Heterostructure laser
Inventors:
James N. Baillargeon, Keh-Yung Cheng, Alfred Yi Cho
Patented Case
View Patent ↗
Granted: Mar 10, 1998
Filed: Mar 7, 1996
Inventors
James N. Baillargeon
Keh-Yung Cheng
Alfred Yi Cho
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.