Granted Patent
Utility
US 6,090,996 · App. 08/906,180
Implant matrix
Inventor:
Shu-Tung Li
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Aug 4, 1997
Inventor
Shu-Tung Li
Assignee (at issue)
Collagen Matrix, 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.