Granted Patent
Utility
US 6,788,721 · App. 10/134,672
Photonic integrated circuit (PIC) and method for making same
Inventors:
Liyou Yang, Ralph Whaley, Tien P. Lee
Patented Case
View Patent ↗
Granted: Sep 7, 2004
Filed: Apr 26, 2002
Inventors
Liyou Yang
Ralph Whaley
Tien P. Lee
Assignee (at issue)
Sarnoff Corporation
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.