Granted Patent
Utility
US 6,067,774 · App. 09/125,996
Process and device for packaging foodstuffs having an aperture
Inventor:
Heinrich Sauer
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Aug 28, 1998
Inventor
Heinrich Sauer
Assignee (at issue)
Poly-clip System GmbH & Co. KG
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.