Granted Patent
Utility
US 5,457,569 · App. 08/268,479
Semiconductor amplifier or laser having integrated lens
Inventors:
Kang-Yih Liou, Martin G. Young
Patented Case
View Patent ↗
Granted: Oct 10, 1995
Filed: Jun 30, 1994
Inventors
Kang-Yih Liou
Martin G. Young
Assignee (at issue)
AT & T IPM Corp.
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.