Granted Patent
Utility
US 6,580,423 · App. 09/384,539
Driving circuit for electro-optical device, electro-optical device, and electronic apparatus
Inventor:
Masao Murade
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Aug 27, 1999
Inventor
Masao Murade
Assignee (at issue)
SEIKO EPSON 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.