Granted Patent
Utility
US 6,614,528 · App. 09/447,171
Simultaneous double grating spectrometer with solid-state sensors or photomultiplier tubes
Inventor:
Wolfram Bohle
Patented Case
View Patent ↗
Granted: Sep 2, 2003
Filed: Nov 22, 1999
Inventor
Wolfram Bohle
Assignee (at issue)
SAI Gesellschaft fur analytische MeBgerate mbH
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.