Granted Patent
Utility
US 6,576,263 · App. 09/784,934
Delivery systems using preformed biodegradable polymer compositions and methods
Inventors:
Myhanh T. Truong, Kaveh Pournoor, Hye-Ok Choi, David J. Velasquez, Richard Ferber, Stephanie F. Bernatchez
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Feb 16, 2001
Inventors
Myhanh T. Truong
Kaveh Pournoor
Hye-Ok Choi
David J. Velasquez
Richard Ferber
Stephanie F. Bernatchez
Assignee (at issue)
3M INNOVATIVE PROPERTIES COMPANY
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.