Granted Patent
Utility
US 6,816,638 · App. 09/936,551
Strain sensing
Inventors:
Ian Bennion, John Williams, Christopher Groves-Kirkby, Lin Zhang
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: Dec 28, 2001
Inventors
Ian Bennion
John Williams
Christopher Groves-Kirkby
Lin Zhang
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.