Granted Patent
Utility
US 5,778,620 · App. 08/603,460
Construction block
Inventor:
Myles A. Fisher
Patented Case
View Patent ↗
Granted: Jul 14, 1998
Filed: Feb 20, 1996
Inventor
Myles A. Fisher
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.