Granted Patent
Utility
US 4,990,056 · App. 07/437,240
Stator vane stage in axial flow compressor
Inventors:
John McClain, Patrick Murphy, David S. Huelster
Patented Case
View Patent ↗
Granted: Feb 5, 1991
Filed: Nov 16, 1989
Inventors
John McClain
Patrick Murphy
David S. Huelster
Assignee (at issue)
General Motors LLC
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.