Granted Patent
Utility
US 4,975,564 · App. 07/511,365
Odometer
Inventor:
Dale C. Maschino
Patented Case
View Patent ↗
Granted: Dec 4, 1990
Filed: Apr 19, 1990
Inventor
Dale C. Maschino
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.