Granted Patent
Utility
US 5,940,142 · App. 08/747,952
Display device driving for a gray scale expression, and a driving circuit therefor
Inventors:
Takao Wakitani, Kouichi Itsuda
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Nov 12, 1996
Inventors
Takao Wakitani
Kouichi Itsuda
Assignee (at issue)
Matsushita Electronics 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.