Granted Patent
Utility
US 5,781,047 · App. 08/863,173
Ignition coil driver module
Inventors:
John Robert Shreve, Lester Wilkinson
Patented Case
View Patent ↗
Granted: Jul 14, 1998
Filed: May 27, 1997
Inventors
John Robert Shreve
Lester Wilkinson
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.