Granted Patent
Utility
US 4,890,582 · App. 07/267,087
Method for postcharging an IC engine of the piston type and an apparatus for performing the method
Inventors:
Oskar Schatz, Thomas Steidele
Patented Case
View Patent ↗
Granted: Jan 2, 1990
Filed: Nov 4, 1988
Inventors
Oskar Schatz
Thomas Steidele
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.