Granted Patent
Utility
US 6,472,489 · App. 09/442,397
Polymers
Inventor:
Friedrich Stockinger
Patented Case
View Patent ↗
Granted: Oct 29, 2002
Filed: Nov 18, 1999
Inventor
Friedrich Stockinger
Assignee (at issue)
NOVARTIS 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.