Granted Patent
Utility
US 6,389,759 · App. 09/939,016
Clamp assembly for attaching panels to substrate
Inventors:
Ralph D. McGrath, Frank O'Brien-Bernini
Patented Case
View Patent ↗
Granted: May 21, 2002
Filed: Aug 24, 2001
Inventors
Ralph D. McGrath
Frank O'Brien-Bernini
Assignee (at issue)
Owens-Corning Fiberglas Technology, 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.