Granted Patent
Utility
US 6,834,151 · App. 09/762,805
Optical waveguide and fabrication method
Inventors:
Peter George Robin Smith, Graeme W Ross, David C. Hanna, David Shepherd, Corin Barry Edmund Gawith
Patented Case
View Patent ↗
Granted: Dec 21, 2004
Filed: Feb 13, 2001
Inventors
Peter George Robin Smith
Graeme W Ross
David C. Hanna
David Shepherd
Corin Barry Edmund Gawith
Assignee (at issue)
QINETIQ LIMITED
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.