Granted Patent
Utility
US 6,607,669 · App. 09/977,454
Method and apparatus for enhancing filtration yields in tangential flow filtration
Inventor:
Karl G. Schick
Patented Case
View Patent ↗
Granted: Aug 19, 2003
Filed: Oct 15, 2001
Inventor
Karl G. Schick
Assignee (at issue)
Scilog, 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.