Granted Patent
Utility
US 4,955,796 · App. 07/247,395
Refrigerant gas compressor construction
Inventor:
Gerald L. Terwilliger
Patented Case
View Patent ↗
Granted: Sep 11, 1990
Filed: Sep 21, 1988
Inventor
Gerald L. Terwilliger
Assignee (at issue)
Bristol Compressors, 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.