Granted Patent
Utility
US 6,659,966 · App. 10/002,325
Fluid sampling apparatus
Inventor:
Matthias Essenpreis
Patented Case
View Patent ↗
Granted: Dec 9, 2003
Filed: Nov 15, 2001
Inventor
Matthias Essenpreis
Assignee (at issue)
Roche Diagnostics 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.