Granted Patent
Utility
US 5,360,540 · App. 08/027,699
Chromatography system
Inventor:
Marc D. Andelman
Patented Case
View Patent ↗
Granted: Nov 1, 1994
Filed: Mar 8, 1993
Inventor
Marc D. Andelman
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.