Granted Patent
Utility
US 5,470,911 · App. 08/433,656
Glycosaminoglycan-synthetic polymer conjugates
Inventors:
Woonza M. Rhee, Richard A. Berg
Patented Case
View Patent ↗
Granted: Nov 28, 1995
Filed: May 4, 1995
Inventors
Woonza M. Rhee
Richard A. Berg
Assignee (at issue)
COLLAGEN 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.