Granted Patent
Utility
US 4,750,337 · App. 07/107,813
Oil management in a parallel compressor arrangement
Inventor:
Paul R. Glamm
Patented Case
View Patent ↗
Granted: Jun 14, 1988
Filed: Oct 13, 1987
Inventor
Paul R. Glamm
Assignee (at issue)
American Standard 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.