Granted Patent
Utility
US 4,975,894 · App. 07/145,228
Method and apparatus for controlling dictation on or transcription from recording units in a dictation system
Inventors:
Emil F. Jachmann, Robert L. Rubenstein, Joseph A. Howells
Patented Case
View Patent ↗
Granted: Dec 4, 1990
Filed: Jan 19, 1988
Inventors
Emil F. Jachmann
Robert L. Rubenstein
Joseph A. Howells
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.