Granted Patent
Utility
US 5,428,222 · App. 08/224,655
Spectral analyzer with new high efficiency collection optics and method of using same
Inventor:
Christopher C. Alexay
Patented Case
View Patent ↗
Granted: Jun 27, 1995
Filed: Apr 6, 1994
Inventor
Christopher C. Alexay
Assignee (at issue)
Janos Technology 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.