Granted Patent
Utility
US 6,444,150 · App. 09/161,321
Method of filling a microchannel separation column
Inventor:
Don W. Arnold
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Sep 25, 1998
Inventor
Don W. Arnold
Assignee (at issue)
Sandia Corporation
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.