Granted Patent
Utility
US 5,320,599 · App. 07/894,174
Drainage catheter
Inventors:
Wilhelmus A. M. Griep, Cornelis Philippus Nap
Patented Case
View Patent ↗
Granted: Jun 14, 1994
Filed: Jun 9, 1992
Inventors
Wilhelmus A. M. Griep
Cornelis Philippus Nap
Assignee (at issue)
CORDIS 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.