Granted Patent
Utility
US 5,693,341 · App. 08/405,320
Affinity bound collagen matrices for the delivery of biologically active agents
Inventors:
Jacqueline A. Schroeder, Hanne Bentz, Trudy Estridge
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Mar 16, 1995
Inventors
Jacqueline A. Schroeder
Hanne Bentz
Trudy Estridge
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.