Granted Patent
Utility
US 4,754,485 · App. 06/560,221
Digital processor for use in a text to speech system
Inventor:
Dennis Klatt
Patented Case
View Patent ↗
Granted: Jun 28, 1988
Filed: Dec 12, 1983
Inventor
Dennis Klatt
Assignee (at issue)
Digital Equipment 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.