Granted Patent
Utility
US 6,604,406 · App. 09/917,017
Human portable preconcentrator system
Inventors:
Kevin L. Linker, Charles A. Brusseau, David W. Hannum, James G. Puissant, Nathan R. Varley
Patented Case
View Patent ↗
Granted: Aug 12, 2003
Filed: Jul 26, 2001
Inventors
Kevin L. Linker
Charles A. Brusseau
David W. Hannum
James G. Puissant
Nathan R. Varley
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.