Granted Patent
Utility
US 6,809,712 · App. 09/802,215
Drive circuit of liquid crystal display, having clip circuit before polarity inversion circuit
Inventor:
Hiroshi Takeda
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Mar 8, 2001
Inventor
Hiroshi Takeda
Assignee (at issue)
NEC LCD Technologies, 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.