Granted Patent
Utility
US 4,757,494 · App. 07/116,181
Method for generating additive combinations of PCM voice samples
Inventor:
Robert E. Renner
Patented Case
View Patent ↗
Granted: Jul 12, 1988
Filed: Nov 2, 1987
Inventor
Robert E. Renner
Assignee (at issue)
GTE Communication Systems 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.