Granted Patent
Utility
US 6,809,811 · App. 10/107,853
Protective shield for an instrument probe
Inventors:
Howard A. Johnsen, James Ryunoshin Ross, Sal R. Birtola
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Mar 26, 2002
Inventors
Howard A. Johnsen
James Ryunoshin Ross
Sal R. Birtola
Assignee (at issue)
Sandia National Laboratory
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.