Granted Patent
Utility
US 5,677,946 · App. 08/514,899
Adapter for connecting a modem to a digital private branch exchange
Inventor:
Ernest A. Beever
Patented Case
View Patent ↗
Granted: Oct 14, 1997
Filed: Aug 14, 1995
Inventor
Ernest A. Beever
Assignee (at issue)
MCI, LLC
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.