Granted Patent
Utility
US 6,056,142 · App. 09/365,534
Sealed dispensing closure with a seal penetrator
Inventor:
John Elliott
Patented Case
View Patent ↗
Granted: May 2, 2000
Filed: Aug 2, 1999
Inventor
John Elliott
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.