Granted Patent
Utility
US 6,398,956 · App. 09/580,987
Method and apparatus for directly sampling a fluid for microfiltration
Inventors:
William E. Coville, David M. St. Onge
Patented Case
View Patent ↗
Granted: Jun 4, 2002
Filed: May 30, 2000
Inventors
William E. Coville
David M. St. Onge
Assignee (at issue)
Bio/Data Corporation
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.