Granted Patent
Utility
US 6,783,008 · App. 10/268,600
Hollow fibre restraining system
Inventors:
Fufang Zha, David John Cox
Patented Case
View Patent ↗
Granted: Aug 31, 2004
Filed: Oct 9, 2002
Inventors
Fufang Zha
David John Cox
Assignee (at issue)
U.S. Filter Wastewater Group, 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.