Granted Patent
Utility
US 4,930,892 · App. 07/248,511
Photodiode array spectrometer
Inventors:
Detlev Hadbawnik, Karsten Kraiczek
Patented Case
View Patent ↗
Granted: Jun 5, 1990
Filed: Sep 23, 1988
Inventors
Detlev Hadbawnik
Karsten Kraiczek
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.