Granted Patent
Utility
US 6,469,755 · App. 09/429,954
Illuminating arrangement with reflector having inclined irregularities or corrugations
Inventors:
Masaya Adachi, Ikuo Hiyama, Makoto Tsumura
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Oct 29, 1999
Inventors
Masaya Adachi
Ikuo Hiyama
Makoto Tsumura
Assignee (at issue)
HITACHI, LTD.
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.