Granted Patent
Utility
US 5,680,969 · App. 08/575,730
Closure with dispensing valve and separate releasable internal shipping seal
Inventor:
Richard A. Gross
Patented Case
View Patent ↗
Granted: Oct 28, 1997
Filed: Dec 18, 1995
Inventor
Richard A. Gross
Assignee (at issue)
AptarGroup, Inc.
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.