Granted Patent
Utility
US 5,347,557 · App. 08/034,689
Apparatus for decontaminating radioactively contaminated surfaces
Inventors:
Hermann Operschall, Karl-Heinz Hack, Klaus Hengelhaupt, Konrad Meier-Hynek
Patented Case
View Patent ↗
Granted: Sep 13, 1994
Filed: Mar 19, 1993
Inventors
Hermann Operschall
Karl-Heinz Hack
Klaus Hengelhaupt
Konrad Meier-Hynek
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.