Granted Patent
Utility
US 5,528,680 · App. 08/529,925
Apparatus and method for accessing and maintaining a caller-ID based telephone directory
Inventor:
John A. Karpicke
Patented Case
View Patent ↗
Granted: Jun 18, 1996
Filed: Sep 18, 1995
Inventor
John A. Karpicke
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.