Granted Patent
Utility
US 5,972,519 · App. 08/983,362
Transparent antiblocking film
Inventors:
Norbert Niessner, Konrad Knoll
Patented Case
View Patent ↗
Granted: Oct 26, 1999
Filed: Jan 13, 1998
Inventors
Norbert Niessner
Konrad Knoll
Assignee (at issue)
BASF SE
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.