Granted Patent
Utility
US 6,206,931 · App. 08/916,490
Graft prosthesis materials
Inventors:
William A. Cook, Michael C. Hiles, Thomas G. Kozma, Umesh H. Patel
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: Aug 22, 1997
Inventors
William A. Cook
Michael C. Hiles
Thomas G. Kozma
Umesh H. Patel
Assignees (at issue)
Cook Regentec LLC
COOK BIOTECH INCORPORATED
MED Institute Inc.
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.