Granted Patent
Utility
US 5,115,472 · App. 07/255,008
Electroacoustic novelties
Inventors:
Kyung-Tae Park, Peter F. Radice
Patented Case
View Patent ↗
Granted: May 19, 1992
Filed: Oct 7, 1988
Inventors
Kyung-Tae Park
Peter F. Radice
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.