Granted Patent
Utility
US 6,399,405 · App. 09/467,482
Process for constructing a spectrophotometer
Inventors:
Jingkuang Chen, Joel A. Kubby
Patented Case
View Patent ↗
Granted: Jun 4, 2002
Filed: Dec 20, 1999
Inventors
Jingkuang Chen
Joel A. Kubby
Assignee (at issue)
Xerox Corporation
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.