Granted Patent
Utility
US 4,728,859 · App. 06/904,270
In-line electron gun
Inventors:
Masao Natsuhara, Hiroshi Suzuki, Hideo Muranishi, Shigeya Ashizaki
Patented Case
View Patent ↗
Granted: Mar 1, 1988
Filed: Sep 8, 1986
Inventors
Masao Natsuhara
Hiroshi Suzuki
Hideo Muranishi
Shigeya Ashizaki
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.