Granted Patent
Utility
US 5,932,552 · App. 08/979,456
Keratin-based hydrogel for biomedical applications and method of production
Inventors:
Cheryl R. Blanchard, Scott F. Timmons, Robert A. Smith
Patented Case
View Patent ↗
Granted: Aug 3, 1999
Filed: Nov 26, 1997
Inventors
Cheryl R. Blanchard
Scott F. Timmons
Robert A. Smith
Assignee (at issue)
Keraplast Technologies, Ltd.
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.