Granted Patent
Utility
US 6,400,870 · App. 09/480,166
Symmetric interferometers unbalanced by using light exposure to tailor the spectral behavior
Inventors:
Kenneth O. Hill, Mohammed N. Islam
Patented Case
View Patent ↗
Granted: Jun 4, 2002
Filed: Jan 10, 2000
Inventors
Kenneth O. Hill
Mohammed N. Islam
Assignee (at issue)
Her Majesty the Queen in Right of Canada as represented by the Secretary of State for Industry
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.