Granted Patent
Utility
US 6,529,952 · App. 09/285,539
Method and system for the collection of cookies and other information from a panel
Inventor:
Trevor Blumenau
Patented Case
View Patent ↗
Granted: Mar 4, 2003
Filed: Apr 2, 1999
Inventor
Trevor Blumenau
Assignee (at issue)
Nielsen Media Research, Inc.
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.