Granted Patent
Utility
US 5,605,437 · App. 08/253,985
Compressor and method of operating it
Inventor:
Pierre Meylan
Patented Case
View Patent ↗
Granted: Feb 25, 1997
Filed: Jun 3, 1994
Inventor
Pierre Meylan
Assignee (at issue)
ABB Management AG
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.