Granted Patent
Utility
US 5,887,738 · App. 08/807,720
Foil lined snap-on, screw-off closure and container neck
Inventors:
Steven H. Bietzer, Rawson Chenault, Daniel Luch, Richard E. Repp
Patented Case
View Patent ↗
Granted: Mar 30, 1999
Filed: Feb 28, 1997
Inventors
Steven H. Bietzer
Rawson Chenault
Daniel Luch
Richard E. Repp
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.