Granted Patent
Utility
US 6,217,959 · App. 09/203,302
Multi-layer container and preform and process for obtaining same
Inventor:
William A. Slat
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Dec 1, 1998
Inventor
William A. Slat
Assignee (at issue)
Plastipak 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.