Granted Patent
Utility
US 6,270,791 · App. 09/330,550
Soluble keratin peptide
Inventors:
Mark E. Van Dyke, Cheryl R. Blanchard, Scott F. Timmons, Arlene J. Siller-Jackson, Robert A. Smith
Patented Case
View Patent ↗
Granted: Aug 7, 2001
Filed: Jun 11, 1999
Inventors
Mark E. Van Dyke
Cheryl R. Blanchard
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.