Granted Patent
Utility
US 4,842,024 · App. 07/076,013
Composite hose for conveying refrigerant fluids in automotive air-conditioned systems
Inventor:
Stephen Larry Palinchak
Patented Case
View Patent ↗
Granted: Jun 27, 1989
Filed: Jul 21, 1987
Inventor
Stephen Larry Palinchak
Assignee (at issue)
Harvard 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.