Granted Patent
Utility
US 6,211,249 · App. 09/006,664
Polyester polyether block copolymers
Inventors:
Daniel Cohn, Theodor Stern, Avraham Y. Levi
Patented Case
View Patent ↗
Granted: Apr 3, 2001
Filed: Jan 13, 1998
Inventors
Daniel Cohn
Theodor Stern
Avraham Y. Levi
Assignee (at issue)
Life Medical Sciences, 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.