Granted Patent
Utility
US 5,157,301 · App. 07/594,881
Color cathode ray tube unit
Inventors:
Noboru Tominaga, Katsuyo Iwasaki, Hidekuni Fujisawa, Koichi Sugahara, Hiroshi Suzuki
Patented Case
View Patent ↗
Granted: Oct 20, 1992
Filed: Oct 9, 1990
Inventors
Noboru Tominaga
Katsuyo Iwasaki
Hidekuni Fujisawa
Koichi Sugahara
Hiroshi Suzuki
Assignee (at issue)
Matsushita Electronics 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.