Granted Patent
Utility
US 5,908,790 · App. 08/463,087
Methods for removing heavy metals from aqueous solutions and for analysis
Inventors:
Klaus Bosslet, Peter Hermentin, Gerhard Seemann
Patented Case
View Patent ↗
Granted: Jun 1, 1999
Filed: Jun 5, 1995
Inventors
Klaus Bosslet
Peter Hermentin
Gerhard Seemann
Assignee (at issue)
Behring Diagnostics GmbH
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.