Granted Patent
Utility
US 5,659,317 · App. 08/399,327
Apparatus for reproducing digital audio waveform data
Inventors:
Akira Toyama, Kazuyuki Fujiwara
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: Mar 6, 1995
Inventors
Akira Toyama
Kazuyuki Fujiwara
Assignee (at issue)
Nippon Precision Circuits 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.