Granted Patent
Utility
US 4,863,384 · App. 06/850,239
Personalized feedback system utilizing pre-recorded media and method of making same
Inventor:
Michael G. Slade
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Apr 10, 1986
Inventor
Michael G. Slade
Assignee (at issue)
Keilty, Goldsmith & Boone
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.