Granted Patent
Utility
US 6,274,163 · App. 09/057,161
Keratinous protein material for wound healing applications and method
Inventors:
Cheryl R. Blanchard, Robert A. Smith, Arlene J. Siller-Jackson
Patented Case
View Patent ↗
Granted: Aug 14, 2001
Filed: Apr 8, 1998
Inventors
Cheryl R. Blanchard
Robert A. Smith
Arlene J. Siller-Jackson
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.