Granted Patent
Utility
US 5,826,622 · App. 08/756,890
Liquid flow path selection device
Inventor:
Petrus Josephus Carolus Piscaer
Patented Case
View Patent ↗
Granted: Oct 27, 1998
Filed: Dec 2, 1996
Inventor
Petrus Josephus Carolus Piscaer
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.