Granted Patent
Utility
US 5,915,574 · App. 09/121,761
Fitment having removable membrane
Inventors:
Brian M. Adams, Rawson Chenault, Laszlo G. Sandor, Daniel Luch
Patented Case
View Patent ↗
Granted: Jun 29, 1999
Filed: Jul 23, 1998
Inventors
Brian M. Adams
Rawson Chenault
Laszlo G. Sandor
Daniel Luch
Assignee (at issue)
Portola Packaging, 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.