Granted Patent
Utility
US 4,691,477 · App. 06/889,762
Rigidifying system for window assembly during its shipment and installation
Inventor:
Bernard C. Governale
Patented Case
View Patent ↗
Granted: Sep 8, 1987
Filed: Jul 28, 1986
Inventor
Bernard C. Governale
Assignee (at issue)
Peachtree Doors, 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.