Granted Patent
Utility
US 5,944,754 · App. 08/747,036
Tissue re-surfacing with hydrogel-cell compositions
Inventor:
Charles A. Vacanti
Patented Case
View Patent ↗
Granted: Aug 31, 1999
Filed: Nov 8, 1996
Inventor
Charles A. Vacanti
Assignee (at issue)
University of Massachusetts
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.