Granted Patent
Utility
US 5,772,628 · App. 08/600,603
Surgical access device and method of constructing same
Inventors:
Steven Bacich, John P. Greelis, Hien Nguyen, Tuoc Nguyen
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Feb 13, 1996
Inventors
Steven Bacich
John P. Greelis
Hien Nguyen
Tuoc Nguyen
Assignee (at issue)
Imagyn Medical, 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.