Granted Patent
Utility
US 4,738,640 · App. 07/042,421
Spade lug
Inventor:
Noel Lee
Patented Case
View Patent ↗
Granted: Apr 19, 1988
Filed: Apr 24, 1987
Inventor
Noel Lee
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.