Granted Patent
Utility
US 4,871,628 · App. 07/257,838
Battery terminal post protector
Inventor:
David H. Parker
Patented Case
View Patent ↗
Granted: Oct 3, 1989
Filed: Oct 14, 1988
Inventor
David H. Parker
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.