Granted Patent
Utility
US 4,342,316 · App. 06/280,741
Zero stasis catheter
Inventor:
Philip Rosenberg
Patented Case
View Patent ↗
Granted: Aug 3, 1982
Filed: Jul 6, 1981
Inventor
Philip Rosenberg
Assignee (at issue)
The Kendall Company LP
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.