Granted Patent
Utility
US 5,871,680 · App. 08/907,624
Method and apparatus for spinning hollow fiber membranes
Inventors:
James Timothy Macheras, Thomas Anthony Bolan, Benjamin Bikson
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Aug 8, 1997
Inventors
James Timothy Macheras
Thomas Anthony Bolan
Benjamin Bikson
Assignee (at issue)
Praxair Technology, 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.