Granted Patent
Utility
US 5,666,281 · App. 08/493,398
Battery polarity switch for applying power to a co-axial cable and incorporating regulation
Inventor:
Yehoshua Mandelcorn
Patented Case
View Patent ↗
Granted: Sep 9, 1997
Filed: Jun 22, 1995
Inventor
Yehoshua Mandelcorn
Assignee (at issue)
LUCENT TECHNOLOGIES INC.
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.