Granted Patent
Utility
US 6,740,874 · App. 10/132,066
Ion mobility spectrometer with mechanically stabilized vacuum-tight x-ray window
Inventor:
Hans-Rudiger Doring
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Apr 25, 2002
Inventor
Hans-Rudiger Doring
Assignee (at issue)
Bruker Saxonia Analytik 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.