Granted Patent
Utility
US 6,740,284 · App. 09/862,846
Container with improved neck portion and method for making the same
Inventors:
Richard C. Darr, William A. Slat
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: May 21, 2001
Inventors
Richard C. Darr
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.