Granted Patent
Utility
US 6,247,826 · App. 09/110,319
Illumination device and bulletin board device
Inventors:
Tatsuaki Funamoto, Osamu Yokoyama
Patented Case
View Patent ↗
Granted: Jun 19, 2001
Filed: Jul 6, 1998
Inventors
Tatsuaki Funamoto
Osamu Yokoyama
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.