Granted Patent
Utility
US 5,540,979 · App. 08/242,948
Porous non-woven bovine blood-oxalate absorbent structure
Inventors:
Ali Yahiaoui, David Charles Potts, Cheryl A. Perkins, Michael Powers, Jerald T. Jascomb
Patented Case
View Patent ↗
Granted: Jul 30, 1996
Filed: May 16, 1994
Inventors
Ali Yahiaoui
David Charles Potts
Cheryl A. Perkins
Michael Powers
Jerald T. Jascomb
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.