Granted Patent
Utility
US 5,728,301 · App. 08/638,337
Apparatus and method for thin layer chromatography
Inventor:
William L. Truett
Patented Case
View Patent ↗
Granted: Mar 17, 1998
Filed: Apr 26, 1996
Inventor
William L. Truett
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.