Granted Patent
Utility
US 6,057,819 · App. 08/911,517
Liquid crystal display apparatus and drive circuitry used in the same apparatus
Inventors:
Takehiko Sone, Takehiro Ishikawa
Patented Case
View Patent ↗
Granted: May 2, 2000
Filed: Aug 14, 1997
Inventors
Takehiko Sone
Takehiro Ishikawa
Assignee (at issue)
ALPS ELECTRIC CO., LTD.
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.