Granted Patent
Utility
US 5,607,652 · App. 08/323,685
Biological and chemical decontamination chamber
Inventors:
Paul Hellmuth, Norbert Klein, Michael Theis
Patented Case
View Patent ↗
Granted: Mar 4, 1997
Filed: Oct 17, 1994
Inventors
Paul Hellmuth
Norbert Klein
Michael Theis
Assignee (at issue)
Dornier 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.