Granted Patent
Utility
US 5,866,426 · App. 08/768,742
Device and method for determining liquid-probe contact
Inventor:
Stuart Ball
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Dec 17, 1996
Inventor
Stuart Ball
Assignee (at issue)
AKZO NOBEL N.V.
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.