Granted Patent
Utility
US 5,624,463 · App. 08/232,743
Prosthetic articular cartilage
Inventors:
Kevin R. Stone, Shu-Tung Li
Patented Case
View Patent ↗
Granted: Apr 29, 1997
Filed: Apr 25, 1994
Inventors
Kevin R. Stone
Shu-Tung Li
Assignee (at issue)
ReGen Biologics, 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.