Granted Patent
Utility
US 4,980,802 · App. 07/346,134
Flexible printed circuit
Inventors:
Daniel Champagne, Alain Le Loc'h, Olivier Lefort
Patented Case
View Patent ↗
Granted: Dec 25, 1990
Filed: May 2, 1989
Inventors
Daniel Champagne
Alain Le Loc'h
Olivier Lefort
Assignee (at issue)
Bull CP8
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.