Granted Patent
Utility
US 6,802,227 · App. 10/025,510
Method and apparatus for optimized sampling of volatilizable target substances
Inventors:
Eric R. Lindgren, James M. Phelan
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: Dec 19, 2001
Inventors
Eric R. Lindgren
James M. Phelan
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.