Granted Patent
Utility
US 5,425,097 · App. 08/073,004
Analog display station apparatus and method of effecting telephone features
Inventor:
Michael K. Pula
Patented Case
View Patent ↗
Granted: Jun 13, 1995
Filed: Jun 7, 1993
Inventor
Michael K. Pula
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.