Granted Patent
Utility
US 6,676,624 · App. 10/028,208
Drainage devices and methods
Inventor:
Barry N. Gellman
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Dec 20, 2001
Inventor
Barry N. Gellman
Assignee (at issue)
Scimed Life Systems, Inc.
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.