Granted Patent
Utility
US 4,385,230 · App. 06/220,482
Digital temperature effect generator
Inventor:
Carl M. Danielsen
Patented Case
View Patent ↗
Granted: May 24, 1983
Filed: Dec 29, 1980
Inventor
Carl M. Danielsen
Assignee (at issue)
GTE Automatic Electric Labs Inc.
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.