Granted Patent
Utility
US 6,660,171 · App. 09/818,108
High capacity gravity feed filter for filtering blood and blood products
Inventor:
Peter Zuk, Jr.
Patented Case
View Patent ↗
Granted: Dec 9, 2003
Filed: Mar 27, 2001
Inventor
Peter Zuk, Jr.
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.