Granted Patent
Utility
US 6,592,956 · App. 10/135,088
Plastic container having a carbon-treated internal surface
Inventor:
William A. Slat
Patented Case
View Patent ↗
Granted: Jul 15, 2003
Filed: Apr 29, 2002
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.