Granted Patent
Utility
US 4,752,255 · App. 06/934,178
Spade lug
Inventor:
Noel Lee
Patented Case
View Patent ↗
Granted: Jun 21, 1988
Filed: Nov 24, 1986
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.