Granted Patent
Utility
US 6,199,328 · App. 09/209,307
Clamp assembly for attaching panels to substrate
Inventors:
Ralph D. McGrath, Frank O'Brien-Bernini
Patented Case
View Patent ↗
Granted: Mar 13, 2001
Filed: Dec 11, 1998
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.