Granted Patent
Utility
US 6,400,418 · App. 09/251,328
Image display device
Inventor:
Toshitsugu Wakabayashi
Patented Case
View Patent ↗
Granted: Jun 4, 2002
Filed: Feb 17, 1999
Inventor
Toshitsugu Wakabayashi
Assignee (at issue)
MITSUBISHI ELECTRIC 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.