Granted Patent
Utility
US 5,752,974 · App. 08/574,050
Injectable or implantable biomaterials for filling or blocking lumens and voids of the body
Inventors:
Woonza M. Rhee, Richard A. Berg, George H. Chu, Frank DeLustro, Dan Marshall Jolivette, Kimberly A. McCullough
Patented Case
View Patent ↗
Granted: May 19, 1998
Filed: Dec 18, 1995
Inventors
Woonza M. Rhee
Richard A. Berg
George H. Chu
Frank DeLustro
Dan Marshall Jolivette
Kimberly A. McCullough
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.