Granted Patent
Utility
US 6,732,772 · App. 10/405,188
Valve assembly for use with containers in a closed application system
Inventor:
Keith F. Woodruff
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Apr 2, 2003
Inventor
Keith F. Woodruff
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.