Granted Patent
Utility
US 6,426,146 · App. 09/501,442
Treated copper foil and process for making treated copper foil
Inventors:
Thomas J. Ameen, Edward Czapor
Patented Case
View Patent ↗
Granted: Jul 30, 2002
Filed: Feb 10, 2000
Inventors
Thomas J. Ameen
Edward Czapor
Assignee (at issue)
Ga-Tek, 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.