Granted Patent
Utility
US 5,692,484 · App. 08/700,885
Synchronization circuit for a coil-per-plug ignition system
Inventor:
Joel F. Downey
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Aug 21, 1996
Inventor
Joel F. Downey
Assignee (at issue)
DELCO ELECTRONICS CORPORATION
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.