Granted Patent
Utility
US 4,798,523 · App. 06/944,498
Turbocharger bearing and lubrication system
Inventors:
Jerry Glaser, David G. Elpern
Patented Case
View Patent ↗
Granted: Jan 17, 1989
Filed: Dec 19, 1986
Inventors
Jerry Glaser
David G. Elpern
Assignee (at issue)
AlliedSignal, Inc.
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.