Granted Patent
Utility
US 6,499,365 · App. 09/431,456
Electronic metering device
Inventor:
Matthias Baumgartner
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: Nov 1, 1999
Inventor
Matthias Baumgartner
Assignee (at issue)
Eppendorf AG
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.