Granted Patent
Utility
US 4,803,022 · App. 07/046,354
Method of continuously bonding and curing a zinc-coated metal-clad polyester-epoxy-glass fiber laminate
Inventors:
David Barrell, Gerald P. Griffith, Donald Erik Kennedy, Donald C. Rollen
Patented Case
View Patent ↗
Granted: Feb 7, 1989
Filed: May 6, 1987
Inventors
David Barrell
Gerald P. Griffith
Donald Erik Kennedy
Donald C. Rollen
Assignee (at issue)
Glasteel Industrial Laminates, 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.