Granted Patent
Utility
US 5,453,252 · App. 08/201,797
Screen cell for spectroscopy
Inventor:
William L. Truett
Patented Case
View Patent ↗
Granted: Sep 26, 1995
Filed: Feb 25, 1994
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.