Granted Patent
Utility
US 5,267,178 · App. 07/912,705
Photometric process and computer controlled photometer
Inventor:
Markus Berner
Patented Case
View Patent ↗
Granted: Nov 30, 1993
Filed: Jul 13, 1992
Inventor
Markus Berner
Assignee (at issue)
Gretag Aktiengesellschaft
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.