Granted Patent
Utility
US 6,653,450 · App. 08/278,774
Mutated recombinant collagens
Inventors:
Richard A. Berg, Paul David Toman, Donald G. Wallace
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Jul 22, 1994
Inventors
Richard A. Berg
Paul David Toman
Donald G. Wallace
Assignee (at issue)
Cohesion Technologies, 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.