Granted Patent
Utility
US 6,078,725 · App. 09/003,754
Apparatus for a synchronized playback of audio-video signals
Inventor:
Mitsumasa Tanaka
Patented Case
View Patent ↗
Granted: Jun 20, 2000
Filed: Jan 7, 1998
Inventor
Mitsumasa Tanaka
Assignee (at issue)
NEC CORPORATION
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.