Granted Patent
Utility
US 5,155,772 · App. 07/625,496
Data compression system for voice data
Inventors:
Yigal Brandman, Manoj Puri
Patented Case
View Patent ↗
Granted: Oct 13, 1992
Filed: Dec 11, 1990
Inventors
Yigal Brandman
Manoj Puri
Assignee (at issue)
Octel Communications 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.