Granted Patent
Utility
US 6,183,446 · App. 09/208,078
Needle protection injection devices
Inventor:
Edgar Jeanbourquin
Patented Case
View Patent ↗
Granted: Feb 6, 2001
Filed: Dec 9, 1998
Inventor
Edgar Jeanbourquin
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.