Granted Patent
Utility
US 4,617,676 · App. 06/646,971
Predictive communication system filtering arrangement
Inventors:
Nuggehally S. Jayant, Venkatasubbarao Ramamoorthy
Patented Case
View Patent ↗
Granted: Oct 14, 1986
Filed: Sep 4, 1984
Inventors
Nuggehally S. Jayant
Venkatasubbarao Ramamoorthy
Assignee (at issue)
AT&T Bell Laboratories
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.