Granted Patent
Utility
US 4,466,093 · App. 06/453,266
Time shared conference arrangement
Inventor:
Robert E. Renner
Patented Case
View Patent ↗
Granted: Aug 14, 1984
Filed: Dec 27, 1982
Inventor
Robert E. Renner
Assignee (at issue)
GTE Automatic Electric Incorporated
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.