Granted Patent
Utility
US 4,059,512 · App. 05/641,230
Process for removing endotoxin from biological fluids
Inventor:
Nick S. Harris
Patented Case
View Patent ↗
Granted: Nov 22, 1977
Filed: Dec 16, 1975
Inventor
Nick S. Harris
Assignee (at issue)
Preventive Systems, 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.