Granted Patent
Utility
US 6,797,057 · App. 10/070,382
Colloidal photonic crystals
Inventors:
Richard M Amos, Paul Richard Tapster, John G Rarity, Terence John Shepherd, Stephen Kitson
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: Aug 20, 2003
Inventors
Richard M Amos
Paul Richard Tapster
John G Rarity
Terence John Shepherd
Stephen Kitson
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.