Granted Patent
Utility
US 5,665,208 · App. 08/493,083
Method and apparatus for the quantitative enrichment of volatile compounds by capillary distillation
Inventor:
Gunter Giesselmann
Patented Case
View Patent ↗
Granted: Sep 9, 1997
Filed: Jun 21, 1995
Inventor
Gunter Giesselmann
Assignee (at issue)
Eppendorf-Netheler-Hinz GmbH
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.