Granted Patent
Utility
US 5,355,645 · App. 07/936,048
Stopless butt-joint multiple curtainwall system
Inventor:
F. Aziz Farag
Patented Case
View Patent ↗
Granted: Oct 18, 1994
Filed: Aug 26, 1992
Inventor
F. Aziz Farag
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.