Granted Patent
Utility
US 6,074,536 · App. 09/015,445
Electroyltic cell and method for removing silver from silver-containing aqueous liquids
Inventor:
Patrick Van den Bergan
Patented Case
View Patent ↗
Granted: Jun 13, 2000
Filed: Jan 29, 1998
Inventor
Patrick Van den Bergan
Assignee (at issue)
Agfa-Gevaert NV
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.