Granted Patent
Utility
US 4,758,449 · App. 07/016,990
Method for making a phosphor layer
Inventors:
Masamichi Kimura, Mutsuo Masuda, Masao Tokunaga, Shigeya Ashizaki
Patented Case
View Patent ↗
Granted: Jul 19, 1988
Filed: Feb 19, 1987
Inventors
Masamichi Kimura
Mutsuo Masuda
Masao Tokunaga
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.