Granted Patent
Utility
US 4,446,173 · App. 06/349,676
Copper-clad polyester-glass fiber laminates using zinc-coated copper
Inventors:
David Barrell, Donald Erik Kennedy, James J. Marino, Jr., Donald C. Rollen
Patented Case
View Patent ↗
Granted: May 1, 1984
Filed: Feb 17, 1982
Inventors
David Barrell
Donald Erik Kennedy
James J. Marino, Jr.
Donald C. Rollen
Assignee (at issue)
Glasteel Tennessee, 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.