Granted Patent
Utility
US 4,677,663 · App. 06/752,053
Telephone answering and call forwarding improvement
Inventor:
Aleksander Szlam
Patented Case
View Patent ↗
Granted: Jun 30, 1987
Filed: Jul 5, 1985
Inventor
Aleksander Szlam
Assignee (at issue)
Melita Electronic Labs, 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.