Granted Patent
Utility
US 6,285,422 · App. 09/068,661
Transflective liquid crystal device with bright reflective display
Inventors:
Tsuyoshi Maeda, Osamu Okumura
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: May 14, 1998
Inventors
Tsuyoshi Maeda
Osamu Okumura
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.