Granted Patent
Utility
US 5,425,583 · App. 08/158,999
Standup bag with an improved piercing opening
Inventor:
Rainer Wild
Patented Case
View Patent ↗
Granted: Jun 20, 1995
Filed: Nov 30, 1993
Inventor
Rainer Wild
Assignee (at issue)
Deutsche Sisi-Werke GmbH & Co. Betriebs 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.