Granted Patent
Utility
US 6,832,022 · App. 10/030,083
Rectangular response optical filter for partitioning a limited spectral interval
Inventor:
Herve Lefevre
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: Jul 11, 2002
Inventor
Herve Lefevre
Assignee (at issue)
Photonetics
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.