Granted Patent
Utility
US 4,601,701 · App. 06/705,178
Multi-purpose multi-lumen catheter
Inventor:
Richard L. Mueller
Patented Case
View Patent ↗
Granted: Jul 22, 1986
Filed: Feb 25, 1985
Inventor
Richard L. Mueller
Assignee (at issue)
Argon Medical Corp.
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.