Granted Patent
Utility
US 4,536,844 · App. 06/488,886
Method and apparatus for simulating aural response information
Inventor:
Richard F. Lyon
Patented Case
View Patent ↗
Granted: Aug 20, 1985
Filed: Apr 26, 1983
Inventor
Richard F. Lyon
Assignee (at issue)
Fairchild Camera & Instrument Corp.
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.