Granted Patent
Utility
US 6,579,445 · App. 09/872,664
System for the production of laboratory grade ultrapure water
Inventors:
Charles T. Nachtman, William P. Johll, Jr., Helmut R. H. Gideon, Timothy T. Dunwoody, Jamie Carr, Thomas Scholz
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Jun 1, 2001
Inventors
Charles T. Nachtman
William P. Johll, Jr.
Helmut R. H. Gideon
Timothy T. Dunwoody
Jamie Carr
Thomas Scholz
Assignee (at issue)
Sartorius 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.