Granted Patent
Utility
US 5,393,792 · App. 07/963,995
High dosage topical forms of collagenase
Inventors:
Harold Stern, David Yee
Patented Case
View Patent ↗
Granted: Feb 28, 1995
Filed: Oct 29, 1992
Inventors
Harold Stern
David Yee
Assignee (at issue)
Advance Biofactures of Curacao, N.V.
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.