Granted Patent
Utility
US 5,403,989 · App. 08/036,399
Method and apparatus for removing foreign matters from a cathode-ray tube
Inventors:
Hiroaki Tobuse, Tomoyuki Kanda, Yasusi Hisaoka, Shigeo Sasaki, Minoru Kobayashi, Takuji Oda, Ryuji Ueda, Akio Yoshida, Tadayoshi Owaki, Akihiko Yamasaki, Masaaki Kinoshita, Toshiaki Fukunishi
Patented Case
View Patent ↗
Granted: Apr 4, 1995
Filed: Mar 24, 1993
Inventors
Hiroaki Tobuse
Tomoyuki Kanda
Yasusi Hisaoka
Shigeo Sasaki
Minoru Kobayashi
Takuji Oda
Ryuji Ueda
Akio Yoshida
Tadayoshi Owaki
Akihiko Yamasaki
Masaaki Kinoshita
Toshiaki Fukunishi
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.