Granted Patent
Utility
US 4,589,107 · App. 06/595,087
Simultaneous voice and data communication and data base access in a switching system using a combined voice conference and data base processing module
Inventors:
Francisco A. Middleton, Santanu Das, Nicholas Carter
Patented Case
View Patent ↗
Granted: May 13, 1986
Filed: Mar 30, 1984
Inventors
Francisco A. Middleton
Santanu Das
Nicholas Carter
Assignee (at issue)
ITT Corporation
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.