Granted Patent
Utility
US 6,157,020 · App. 08/984,950
Bispectral electromagnetic wave detector
Inventors:
Pascal Krapf, Eric Costard, Philippe Bois
Patented Case
View Patent ↗
Granted: Dec 5, 2000
Filed: Dec 4, 1997
Inventors
Pascal Krapf
Eric Costard
Philippe Bois
Assignee (at issue)
Thomson-CSF
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.