Granted Patent
Utility
US 6,375,855 · App. 09/101,749
Method, device and apparatus for concentrating and/or purifying macromolecules in a solution
Inventor:
Vincenzo Vassarotti
Patented Case
View Patent ↗
Granted: Apr 23, 2002
Filed: Jul 15, 1998
Inventor
Vincenzo Vassarotti
Assignee (at issue)
Vivascience AG
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.