Granted Patent
Utility
US 6,481,854 · App. 09/452,223
Projection type display apparatus having air cooling arrangement
Inventors:
Mari Sugawara, Tetsuya Hamada, Tetsuya Kobayashi, Toshihiro Suzuki, Takeshi Gotoh, Keiji Hayashi, Hisashi Yamaguchi, Noriyuki Ohashi
Patented Case
View Patent ↗
Granted: Nov 19, 2002
Filed: Dec 1, 1999
Inventors
Mari Sugawara
Tetsuya Hamada
Tetsuya Kobayashi
Toshihiro Suzuki
Takeshi Gotoh
Keiji Hayashi
Hisashi Yamaguchi
Noriyuki Ohashi
Assignee (at issue)
Fujitsu Limited
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.