Granted Patent
Utility
US 6,298,177 · App. 09/533,942
Phase modulator for semiconductor waveguide
Inventor:
Andrew Alan House
Patented Case
View Patent ↗
Granted: Oct 2, 2001
Filed: Mar 23, 2000
Inventor
Andrew Alan House
Assignee (at issue)
BOOKHAM TECHNOLOGY, PLC
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.