Granted Patent
Utility
US 6,517,997 · App. 09/578,513
Production of an integrated optical device
Inventor:
Stephen William Roberts
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: May 26, 2000
Inventor
Stephen William Roberts
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.