Granted Patent
Utility
US 6,492,009 · App. 09/957,874
Manufacture and method for obtaining accurately dimensioned features from a metal-containing web processed with a continuous etch process
Inventor:
Laurence M. C. Lai
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: Sep 20, 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.