Granted Patent
Utility
US 6,280,421 · App. 09/311,435
Automatic injection device
Inventors:
Fritz Kirchhofer, Jürg Steck, Peter Hostettler, Stephan Jost
Patented Case
View Patent ↗
Granted: Aug 28, 2001
Filed: May 14, 1999
Inventors
Fritz Kirchhofer
Jürg Steck
Peter Hostettler
Stephan Jost
Assignee (at issue)
Disetronic Licensing 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.