Granted Patent
Utility
US 4,824,145 · App. 07/036,597
Coupling components
Inventor:
Per-Olov Carlsson
Patented Case
View Patent ↗
Granted: Apr 25, 1989
Filed: Apr 10, 1987
Inventor
Per-Olov Carlsson
Assignee (at issue)
Gambro AB
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.