Granted Patent
Utility
US 6,677,563 · App. 10/017,374
Abuse-tolerant metallic pattern arrays for microwave packaging materials
Inventor:
Laurence M. C. Lai
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Dec 14, 2001
Inventor
Laurence M. C. Lai
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.