Granted Patent
Utility
US 6,461,628 · App. 09/587,157
Non-woven keratin cell scaffold
Inventors:
Cheryl R. Blanchard, Mark E. Van Dyke, Scott F. Timmons, Arlene J. Siller-Jackson, Robert A. Smith
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Jun 5, 2000
Inventors
Cheryl R. Blanchard
Mark E. Van Dyke
Scott F. Timmons
Arlene J. Siller-Jackson
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.