Granted Patent
Utility
US 6,159,495 · App. 09/362,244
Porous and bulk keratin bio-polymers
Inventors:
Scott F. Timmons, Cheryl R. Blanchard, Robert A. Smith
Patented Case
View Patent ↗
Granted: Dec 12, 2000
Filed: Jul 28, 1999
Inventors
Scott F. Timmons
Cheryl R. Blanchard
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.