Granted Patent
Utility
US 6,663,697 · App. 10/165,862
Microfabricated packed gas chromatographic column
Inventors:
Richard Kottenstette, Carolyn M. Matzke, Gregory C. Frye-Mason
Patented Case
View Patent ↗
Granted: Dec 16, 2003
Filed: Jun 6, 2002
Inventors
Richard Kottenstette
Carolyn M. Matzke
Gregory C. Frye-Mason
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.