Granted Patent
Utility
US 5,527,856 · App. 08/440,274
Method of preparing crosslinked biomaterial compositions for use in tissue augmentation
Inventors:
Woonza M. Rhee, Richard A. Berg, Joel Rosenblatt, Jacqueline A. Tefft, Larry J. Braga, Thomas L. Smestad
Patented Case
View Patent ↗
Granted: Jun 18, 1996
Filed: May 12, 1995
Inventors
Woonza M. Rhee
Richard A. Berg
Joel Rosenblatt
Jacqueline A. Tefft
Larry J. Braga
Thomas L. Smestad
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.