Granted Patent
Utility
US 6,052,897 · App. 08/912,985
Compressor-wheel arrangement for turbochargers
Inventor:
Jurg Greber
Patented Case
View Patent ↗
Granted: Apr 25, 2000
Filed: Aug 12, 1997
Inventor
Jurg Greber
Assignee (at issue)
Asea Brown Boveri, S.A.
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.