Granted Patent
Utility
US 5,958,247 · App. 08/720,100
Method for disposing of a solution containing an organic acid
Inventors:
Horst-Otto Bertholdt, Dietmar Bege
Patented Case
View Patent ↗
Granted: Sep 28, 1999
Filed: Sep 30, 1996
Inventors
Horst-Otto Bertholdt
Dietmar Bege
Assignee (at issue)
Siemens Aktiengesellschaft
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.