Granted Patent
Utility
US 6,552,315 · App. 10/103,052
Abuse-tolerant metallic packaging materials for microwave cooking
Inventors:
Neilson Zeng, Laurence M. C. Lai, Anthony Russell
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Mar 20, 2002
Inventors
Neilson Zeng
Laurence M. C. Lai
Anthony Russell
Assignee (at issue)
Graphic Packaging Corporation
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.