Granted Patent
Utility
US 6,216,915 · App. 09/379,528
Dual chamber package
Inventors:
Robert E. Harman, Jeffrey J. Baltzell, Craig E. McClean
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Aug 24, 1999
Inventors
Robert E. Harman
Jeffrey J. Baltzell
Craig E. McClean
Assignee (at issue)
Owens-Brockway Plastic Products 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.