Granted Patent
Utility
US 6,514,467 · App. 09/511,054
Air-freshener
Inventors:
Dirk Jan Bulsink, Johannes Arnoldus van Voorden, Johannes Antonius G. W. Zigmans
Patented Case
View Patent ↗
Granted: Feb 4, 2003
Filed: Feb 23, 2000
Inventors
Dirk Jan Bulsink
Johannes Arnoldus van Voorden
Johannes Antonius G. W. Zigmans
Assignee (at issue)
Sara Lee/ DE N.V.
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.