Granted Patent
Utility
US 5,626,436 · App. 08/379,438
Double hook to fasten crossed bars
Inventor:
Mario Dragone
Patented Case
View Patent ↗
Granted: May 6, 1997
Filed: Feb 8, 1995
Inventor
Mario Dragone
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.