Granted Patent
Utility
US 6,721,084 · App. 10/224,531
Electrophoretic device, method for manufacturing electrophoretic device, and electronic apparatus
Inventor:
Hideyuki Kawai
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Aug 19, 2002
Inventor
Hideyuki Kawai
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.