Granted Patent
Utility
US 4,841,932 · App. 07/221,493
Spark timing control
Inventors:
Mark C. Hansen, Greg Jon Manlove
Patented Case
View Patent ↗
Granted: Jun 27, 1989
Filed: Jul 19, 1988
Inventors
Mark C. Hansen
Greg Jon Manlove
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.