Granted Patent
Utility
US 5,235,184 · App. 07/791,359
Highly stable low noise CCD spectrograph
Inventor:
Albert M. Paulson
Patented Case
View Patent ↗
Granted: Aug 10, 1993
Filed: Nov 14, 1991
Inventor
Albert M. Paulson
Assignee (at issue)
Spex Industries, Inc.
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.