Granted Patent
Utility
US 5,625,185 · App. 08/532,456
Mass spectrometer, especially ICP-MS
Inventor:
Bernd Laser
Patented Case
View Patent ↗
Granted: Apr 29, 1997
Filed: Sep 22, 1995
Inventor
Bernd Laser
Assignee (at issue)
Finnigan MAT 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.