Granted Patent
Utility
US 6,159,496 · App. 09/365,699
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: Dec 12, 2000
Filed: Aug 2, 1999
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.