Granted Patent
Utility
US 4,477,925 · App. 06/329,776
Clipped speech-linear predictive coding speech processor
Inventors:
James M. Avery, Elmer A. Hoyer
Patented Case
View Patent ↗
Granted: Oct 16, 1984
Filed: Dec 11, 1981
Inventors
James M. Avery
Elmer A. Hoyer
Assignee (at issue)
NCR 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.