Granted Patent
Utility
US 6,524,672 · App. 09/249,029
Multilayer preform and container with co-extruded liner
Inventors:
William A. Slat, Richard C. Darr
Patented Case
View Patent ↗
Granted: Feb 25, 2003
Filed: Feb 12, 1999
Inventors
William A. Slat
Richard C. Darr
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.