Granted Patent
Utility
US 5,439,395 · App. 08/113,119
DSX jack
Inventor:
Daniel A. Laukzemis
Patented Case
View Patent ↗
Granted: Aug 8, 1995
Filed: Aug 30, 1993
Inventor
Daniel A. Laukzemis
Assignee (at issue)
AT&T CORP.
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.