Granted Patent
Utility
US 6,502,806 · App. 09/800,847
Liquid distributor assembly for use in packed column
Inventor:
Don Richardson
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Mar 7, 2001
Inventor
Don Richardson
Assignee (at issue)
Koch-Glitsch, LP
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.