Granted Patent
Utility
US 4,581,012 · App. 06/678,481
Multilumen catheter set
Inventors:
Eric W. Brown, Henry T. Tai, Robert M. Asher
Patented Case
View Patent ↗
Granted: Apr 8, 1986
Filed: Dec 5, 1984
Inventors
Eric W. Brown
Henry T. Tai
Robert M. Asher
Assignee (at issue)
I-Flow Corporation
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.