Granted Patent
Utility
US 4,431,374 · App. 06/236,649
Vortex controlled radial diffuser for centrifugal compressor
Inventors:
Eli H. Benstein, Gerald D. Stringham, Michael R. Holbrook
Patented Case
View Patent ↗
Granted: Feb 14, 1984
Filed: Feb 23, 1981
Inventors
Eli H. Benstein
Gerald D. Stringham
Michael R. Holbrook
Assignee (at issue)
Teledyne Industries, 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.