Granted Patent
Utility
US 5,142,189 · App. 07/609,977
In-line type electron gun for a color cathode ray tube
Inventors:
Koichi Sugahara, Osamu Konosu, Hiroshi Suzuki, Noboru Tominaga
Patented Case
View Patent ↗
Granted: Aug 25, 1992
Filed: Nov 6, 1990
Inventors
Koichi Sugahara
Osamu Konosu
Hiroshi Suzuki
Noboru Tominaga
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.