Granted Patent
Utility
US 6,417,752 · App. 09/147,528
Ignition coil
Inventors:
Pierre Heritier-Best, Olivier Metzelard
Patented Case
View Patent ↗
Granted: Jul 9, 2002
Filed: Mar 24, 1999
Inventors
Pierre Heritier-Best
Olivier Metzelard
Assignee (at issue)
Sagem SA
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.